Index of Articles Published in Uspekhi Fizicheskikh Nauk, Volumes XLI–L

		Page
I.	Alphabetical index of authors	2
II.	Subject index	20

Subject	Page	Subject	Page
Absorption	20	Luminescence	30
Acoustics	20	Magnetic spectroscopy	30
Astrophysics and astronomy	21	Magnetic properties of matter	30
Atomic nucleus	21	Pendulum	30
Biophysics	22	Mesons	30
Vacuum technology	22	Metals	32
Waves	22	Method of labeled atoms	32
Upper layers of the atmosphere	22	Methods and teaching	32
Gases	22	Mechanical properties of matter	32
Gamma rays	22	Microscopy	32
Geophysics	23	Molecules	32
Combustion	23	Molecular, electron, and ion beams	33
Light pressure	23	Neutrons	33
Fission of heavy nuclei	23	General questions	33
Deformation	23	Reflection of electromagnetic waves	33
Diffraction	23	Nuclear paramagnetism	33
Dielectric and electrical properties of matter	24	Periodic system of the elements	34
Liquids	24	Polymers	34
Sound	24	Semiconductors	34
Instruments, devices, and methods of measurement	24	Radioactivity	34
Instruments, devices, and methods of measurement in nuclear physics	25	Radio astronomy	34
Interference	25	Radiolocation	35
Infrared radiation	27	Radiospectroscopy	35
Ionosphere	27	Discharge in gases	35
Artificial radioactivity	27	Propagation of electromagnetic waves	35
History of physics	27	X-rays	35
Light sources	28	Superconductivity	35
Quantum physics	28	Sessions and meetings of scientific institutions, conference	36
Combinational scattering of light	28	Spectroscopy	36
Cosmic rays	28	Alloys	36
Crystalline state of matter	29	Stalin Prizes in physics	36

Index by Volumes XLI–L

Theoretical physics . . . . . . . . 37
Solid state . . . . . . . . . . . . 37
Thin films . . . . . . . . . . . . 37
Friction . . . . . . . . . . . . . 37
Ultrasound . . . . . . . . . . . . 37
Accelerators of elementary particles . . . . 37
Ferromagnetism . . . . . . . . . . 37
Physiological optics . . . . . . . . 37
Physical constants . . . . . . . . . 38
Philosophical questions of physics . . . . 38
Fluctuation . . . . . . . . . . . . 38

Photography . . . . . . . . . . . 38
Photometry . . . . . . . . . . . . 38
Photoplastics . . . . . . . . . . . 39
Photoelements . . . . . . . . . . 39
Chromatography . . . . . . . . . 39
Chain reactions . . . . . . . . . . 39
Electronics . . . . . . . . . . . . 39
Electron optics . . . . . . . . . . 39
Elements . . . . . . . . . . . . . 39
Anniversary articles . . . . . . . . 39
Nuclear reactions . . . . . . . . . 40
Nuclear forces and the structure of nuclei . . 40

Obituaries . . . . . . . . . . . . 41
III. Index of Reviews . . . . . . . . 41
Bibliography . . . . . . . . . . . 43
Letters to the Editor . . . . . . . . 43

I. Alphabetical Index of Authors

A

Adirovich É., G. Garlik, Luminescent substances. (Rev.) 41, 419 (1950).

Aleksandr I. N., Discussion on questions of photographic recording and reproduction of sound. 43, 317 (1951).

Alikhanov A. I., Heavy mesons. 50, 481 (1953).

Al'pert Ya. L., An outline of contemporary data on studies of radio-wave propagation. 42, 505 (1950).

Al'pert Ya. L., Statistical character of the structure of the ionosphere. 49, 1 (1953).

Ansel'm A. I., Yakov Ilich Frenkel. 47, 470 (1952).

Arkade'ev V. K., On magnetic spectroscopy and radiospectroscopy of the atomic nucleus. 44, 80 (1951).

Artëmov K. P. and Dzhelepov B., Radioactive isotopes of helium. 41, 189 (1950).

Akhiezer A. I. and Fainberg Ya. B., Slow electromagnetic waves. 44, 321 (1951).

A. B., Angular distribution in photodisintegration of the deuteron. (Abstr.) 41, 224 (1950).

A. B., Fission of bismuth and lead by high-energy particles. (Abstr.) 41, 233 (1950).

A. V., Mass spectrometer for cosmic radiation. (Abstr.) 1, 108 (1950).

A. V., Lifetime of the positively charged \(\pi\)-meson. (Abstr.) 2, 219 (1950).

A. V., Latitude effect of cosmic radiation and the magnetic moment of the Sun. (Abstr.) 41, 401 (1950).

A. V., Study of \(\pi\)- and \(\mu\)-decay by means of scintillation counters. (Abstr.) 42, 495 (1950).

A. V., On the intensity and spectrum of primary cosmic radiation. (Abstr.) 43, 289 (1951).

A. V., Widely divergent beams of fast particles generated by cosmic radiation. (Abstr.) 43, 293 (1951).

A. V., Protons in cosmic radiation at sea level. (Ref.) 45, 636 (1951).

A. V., Study of Cherenkov radiation as a method for determining the velocity of fast charged particles. (Ref.) 46, 413 (1952).

A. V., Scattering of high-energy $\pi$-mesons by protons. (Ref.) 4, 625 (1952).

A. V., A case of nuclear interaction of both products of the decay of a neutral meson. (Ref.) 47, 627 (1952).

A. V., Absorption curve of cosmic rays obtained in the stratosphere. (Ref.) 47, 628 (1952).

A. V., Variations in the intensity of cosmic radiation associated with solar activity. (Ref.) 47, 629 (1952).

A. V., Study of the albedo of the Earth’s atmosphere for cosmic radiation by means of the Cherenkov effect. (Ref.) 48, 131 (1952).

A. V., On the existence of a neutral meson with a mass of about $550\,m_e$. (Ref.) 48, 593 (1952).

A. V., X-ray radiation of an atom with a mesonic orbit. (Ref.) 49, 304 (1953).

A. V., Capture of $\mu$-mesons by nuclei and the structure of intranuclear nucleon shells. (Ref.) 49, 305 (1953).

A. V., On the presence of lithium, beryllium, and boron nuclei in primary cosmic radiation. (Ref.) 49, 309 (1953).

A. V., Doppler effect for $\gamma$-rays with energies 4.5 and 4.8 MeV. (Ref.) 49, 312 (1953).

A. V., Nearby stars in photographic plates exposed in the stratosphere. (Ref.) 50, 460 (1953).

A. G., The nature of the neutral particle emitted in $\pi$-meson decay. (Ref.) 43, 294 (1951).

A. G., Control of a Wilson chamber by means of an internal counter. (Ref.) 43, 296 (1951).

A. K., Some new experimental studies of friction. (Ref.) 43, 125 (1951).

A. K., Ring diffusion in metals. (Ref.) 43, 307 (1951).

A. K., Dielectric properties of the human body in the wavelength range from 1 to 10 cm. (Ref.) 43, 309 (1951).

A. K., Diffraction of X-rays by particles 0.3 micron in size. (Ref.) 44, 633 (1951).

A. K., Solution of the Thomas–Fermi–Dirac equation. (Ref.) 45, 307 (1951).

A. K., Reduction of the absorption of X-radiation by a crystal when incident at the reflection angle. (Ref.) 46, 279 (1952).

A. K., On the relation of the expansion coefficient to the melting temperature. (Ref.) 46, 281 (1952).

A. R., Ionization of the $K$-shell of recoil atoms in the $\alpha$-decay of polonium. (Ref.) 50, 453 (1953).

A. R., Spectrum of recoil atoms in $K$-capture. (Ref.) 50, 439 (1953).

A. Kh., Lattice defects of silver bromide. (Ref.) 49, 481 (1953).

A. Kh., Stable surface films of crystals. (Ref.) 49, 487 (1953).

A. Kh., Photoelectric method for measuring track density in nuclear emulsions. (Ref.) 49, 616 (1953).

A. Kh., A new method of photographic processing of emulsions up to 200 μ thick. (Ref.) 49, 620 (1953).

A. Kh., A method of “dry” temperature development and the choice of emulsion type for work with large doses of thermal neutrons. (Ref.) 49, 621 (1953).

A. Kh., Reproducibility of measurements of track length in nuclear emulsions. (Ref.) 49, 624 (1953).

INDEX TO VOLUMES XLI–L

B

Bagaryatskii Yu. A., New developments in the technique of focusing X-rays. (Ref.) 44, 292 (1951).

Baldin A. M. and Mikhailov V. V., Production of mesons by γ-quanta. 44, 200 (1951).

Batler S. S., Unstable heavy particles in cosmic radiation. 48, 389 (1952).

Bell L., Kelvin M., Heidelberger K., Reid J., Tolbert B. and Yankwich P., Isotopic carbon. (Rev.) 41, 248 (1950).

Bell L., Veksler V., Groshev L. and Isaev B., Ionization methods of radiation research. (Rev.) 43, 162 (1951).

Bell L., Hewitt G., Carbon-14 indicators. (Rev.) 44, 649 (1951).

Bekker J. A., Green S. B. and Pearson G. L., Properties and applications of thermistors—thermally sensitive resistances. 45, 229 (1951).

Berestetskii V. B., Perturbation theory in quantum electrodynamics. 46, 231 (1952).

Berleev G. I., Direct-current amplifiers. 49, 93 (1953).

Bernstein I. L., On the review “Modulation interferometry.” (Letters to the Editor.) 49, 631 (1953).

Biberman L., Chandrasekhar. Radiative transfer. (Rev.) 46, 136 (1952).

Birger N., New disintegrating particles in cosmic rays. (Ref.) 41, 552 (1950).

Birger N. G. and Rozental I. L., Electron-nuclear showers and the nuclear-cascade process. 45, 104 (1951).

Blokhintsev D. I., Elementary particles and field. 42, 76 (1950).

Blokhintsev D. I., Does the “dualism” of waves and particles always exist? 44, 104 (1951).

Blokhintsev D. I., Critique of the idealistic understanding of quantum theory. 45, 195 (1951).

Bonch-Bruevich V., Seitz F., Modern theory of the solid state. (Rev.) 44, 311 (1951).

Bonch-Bruevich V., Shift of the energy levels of atomic electrons and the additional magnetic moment of the electron according to the latest quantum electrodynamics. (Rev.) 45, 163 (1950).

Borzyak P., At the general meetings of the Academy of Sciences of the Ukrainian SSR and of its Division of Physico-Mathematical and Chemical Sciences. 45, 622 (1951).

Borzyak P., At the session of the Division of Physico-Mathematical and Chemical Sciences of the Academy of Sciences of the Ukrainian SSR. 41, 555 (1950).

Borzyak P., In memory of A. M. Pavlenko. 43, 159 (1951).

Bredel V., A new method for recording ultrasonic waves. (Ref.) 42, 584 (1950).

Bredel V., Scattering and absorption of luminescence light in polycrystalline substances. (Ref.) 43, 134 (1951).

Bredel V., Phototransistor. (Ref.) 45, 476 (1951).

Bredel V., Investigation of surface layers by means of a counter. (Ref.) 45, 477 (1951).

Brekhovskikh L. M., Reflection of bounded wave beams and pulses. 50, 539 (1953).

Brumberg E. M., Application of ultraviolet rays in chromatography. 43, 600 (1951).

Butov A. M. and Shvidkovskii E. G., On the law of interrelation of mass and energy. (Against idealistic distortions in the interpretation of the law \(E = mc^2\).) 48, 147 (1952).

Bush G., Electronic conductivity of nonmetals. 47, 258 (1952).

B. P., Mesons from 335-MeV γ-rays. (Ref.) 41, 394 (1950).
B. P., Absolute yield of photoneutrons from various elements. (Ref.) 42, 166 (1950).
B. P., Photonuclear reactions with formation of protons. (Ref.) 44, 437 (1951).
B. P., Determination of the upper limit of the emission time of fission neutrons. (Ref.) 45, 301 (1951).
B. P., Experimental verification of the statistical theory of nuclei. (Ref.) 45, 302 (1951).
B. P., Elimination of end effects in counters. (Ref.) 45, 594 (1952).
B. P., Determination of the absolute intensity of γ-ray beams. (Ref.) 45, 595 (1951).
B. P., Dependence of the photoabsorption cross section on nuclear charge. (Ref.) 48, 587 (1952).
B. P., Study of fast protons arising in the photodisintegration of nuclei. (Ref.) 48, 591 (1952).
B. P., Polarization of bremsstrahlung. (Ref.) 50, 318 (1953).
B. P., Cross sections of reactions induced by neutrons with energy 14.5 MeV. (Ref.) 50, 459 (1953).

V

Vavilov V., Introduction of local conductivity centers (levels) into semiconductors by nuclear bombardment. 41, 109 (1950).
Vavilov V. S., Operation of crystalline triodes in the frequency range 5–25 MHz. (Ref.) 42, 493 (1950).
Vavilov V., X-ray microscope. (Ref.) 42, 577 (1950).
Vavilov V. S., Observation of individual molecules with the aid of an electron microscope. (Ref.) 42, 580 (1950).
Vavilov V., Oscillograph with a traveling wave. (Ref.) 44, 274 (1951).
Vavilov V., “Cherenkov counter” for cosmic-radiation particles. (Ref.) 44, 443 (1951).
Vavilov V. S., Semiconductor triodes without point contacts. 46, 96 (1952).
Vavilov V. S., Ion microprojector. (Ref.) 47, 141 (1952).
Vavilov S. I., A new page in the history of Soviet science and technology. 41, 3 (1950).
Vaisenberg A., Gamma spectroscopy with the aid of scintillation counters. (Ref.) 44, 453 (1951).
Vaisenberg A., Application of scintillation counters for the study of cosmic radiation. (Ref.) 45, 630 (1951).
Vaisenberg A., Multiple scattering of μ-mesons. (Ref.) 45, 634 (1951).
Vaisenberg A., Measurement of the velocity of γ-quanta in air. (Ref.) 46, 418 (1952).
Weisskopf V. F., Recent achievements in the theory of the electron. 41, 165 (1950).
Vlasov N. A., Neutron sources. 43, 169 (1951).
Volkova A. Ya., Malov N. N. and Yashkin A. Ya., Some lecture demonstrations for the course in experimental physics. 48, 123 (1952).
Volkenshtein M. V., Intramolecular interactions and optics. 43, 485 (1951).
Volkenshtein M. V. and Ptitsyn O. B., Statistical physics of the linear polymer chain. 49, 501 (1953).
Volkenshtein F. F., Band theory of the solid state and the limits of its applicability. 43, 11 (1951).

Vol’kenshtein F., Mott N. and Gurney R., “Electronic processes in ionic crystals.” (Ref.) 44, 428 (1951).

Vol’kenshtein F. F., Activated adsorption on semiconductors. 50, 253 (1953).

Vonsovskii S. V., Conference on magnetism. 46, 396 (1952).

Vonsovskii S. V., Problems of the modern quantum theory of electron conductors. 48, 289 (1952).

Vreden-Kobetskaya T. O., Index of articles published in Uspekhi Fizicheskikh Nauk, volumes XXXI—XL. 41, 254 (1950).

Vreden-Kobetskaya T. O., Bibliography of the works of S. I. Vavilov. 44, 136 (1951).

Vulfson K., A new receiver of infrared rays. (Ref.) 42, 583 (1950).

Vulfson K., Multibeam spectrophotometry. (Ref.) 53, 128 (1951).

Vulfson K., Pulsed mass spectroscope. (Ref.) 43, 299 (1951).

Vysokovskii D. M., Scattering and absorption of microwaves in atmospheric formations (rain, snow, cloudiness, fog) and radiolocation. 47, 398 (1952).

V. V., Experimental confirmation of the validity of Einstein’s relation for charge carriers in semiconductors. (Ref.) 50, 142 (1953).

V. K., New heavy nuclei. (Ref.) 49, 162 (1953).

V. K., New measurements of masses of atoms with mass numbers from 46 to 70. (Ref.) 49, 164 (1953).

V. L., Observations of the solar corona outside an eclipse. (Ref.) 42, 157 (1950).

V. L., On the magnetic field of the earth. (Ref.) 44, 616 (1951).

V. L. and Yu. Sh., A diffusion Wilson chamber with a heated bottom and a cooled cover. (Ref.) 46, 420 (1952).

V. L. and Yu. Sh., Controlled Wilson chambers for recording ionizing particles formed inside the chamber. (Ref.) 49, 172 (1953).

V. M., Pressure, density and temperature of the earth’s atmosphere at altitudes up to 160 km. (Ref.) 48, 609 (1952).

V. S., Dependence of the production of $\pi^+$-mesons on atomic number. (Ref.) 47, 328 (1952).

V. S., Scattering of positive and negative $\pi$-mesons on deuterium. (Ref.) 48, 432 (1952).

V. S., Angular distribution of positive $\pi$-mesons with energy 53 MeV, scattered by protons. (Ref.) 49, 167 (1953).

V. S., Total cross section for scattering of positive $\pi$-mesons in hydrogen. (Ref.) 49, 169 (1953).

V. S., Highly sensitive counter of slow neutrons. (Ref.) 49, 314 (1953).

V. S., Electrical phenomena accompanying freezing of aqueous solutions. (Ref.) 50, 639 (1953).

V. F., Production of neutral mesons upon capture of $\pi^-$-mesons in hydrogen. (Ref.) 45, 641 (1951).

V. F., Generation of protons by high-energy $\gamma$-rays. (Ref.) 45, 638 (1951).

V. F., Double decay of Re$^{186}$. (Ref.) 45, 642 (1951).

V. F., On magnetohydrodynamic waves in a gas. (Ref.) 46, 126 (1952).

V. F., Interaction of $\pi$-mesons with the carbon nucleus. (Ref.) 47, 330 (1952).

V. F., Angular distribution of $\pi$-mesons scattered on hydrogen. (Ref.) 48, 434 (1952).

V. F., Photodisintegration of the deuteron by high-energy γ-rays. (Abstract.) 49, 169 (1953).

V. Kh., Investigation of certain properties of scintillation counters. (Abstract.) 44, 447 (1951).

V. Yu., Photographic method for determining the dispersion of the optical constants of metals. (Abstract.) 49, 614 (1953).

G

Gaze V. F. (see Shain G. A. and Gaze V. F.), 43, 3 (1951).

Gardner E., Barkas V., Smith F. and Bradner H., Mesons obtained in a cyclotron. 41, 153 (1950).

Geivish Yu., Paul Langevin—an outstanding French physicist-materialist. (On the publication of the Russian translation of Selected Works.) 42, 462 (1950).

Helmholtz A. (see Serge E. and Helmholtz A.), 45, 357 (1951).

Gerzon N. S., Critical review of data on the temperature of the ionosphere. 47, 561 (1952).

Gershun A. A., On the spectral density of radiation. 46, 388 (1952).

Getmantsev G., On the nature of the variable component of radio emission from discrete sources. (Abstract.) 41, 408 (1950).

Getmantsev G. G., New data on the radio emission of the Sun and the Galaxy. 44, 527 (1951).

Ginzburg V. L., Present state of the theory of superconductivity. I. 42, 169 (1950); 42, 333 (1950). II. Microscopic theory. 48, 25 (1952).

Ginzburg V. L., Certain problems in the theory of electrical fluctuations. 46, 348 (1952).

Ginzburg M., Multigap shutter. (Abstract.) 44, 468 (1951).

Ginzburg M., “Star” formed by a proton with an energy of \(3 \cdot 10^{13}\) electron-volts. (Abstract.) 44, 612 (1951).

Ginzburg M., Investigation of the ionosphere by the method of radar of the Moon. (Abstract.) 45, 147 (1951).

Ginzburg M., Fission of the nuclei Cu, Br, Ag, Sn and Ba. (Abstract.) 45, 463 (1951).

Ginzburg M., Experiments on the propagation of radio waves in an anisotropic ionized medium. (Abstract.) 45, 472 (1951).

Ghiorso A. (see Perlman I., Ghiorso A. and Seaborg G. T.), 42, 220 (1950).

Gogoberidze D. V., Fracture phenomena in crystalline and amorphous bodies. 42, 561 (1950).

Gogoberidze D. V., High-aperture monochromators for the X-rays of B. Ya. Pines. (Abstract.) 44, 291 (1951).

Gogoberidze D. V., On the history of X-ray microscopy and microradiography. (From letters to the editor.) 47, 339 (1952).

Gogoberidze D. V., Microradiography and X-ray microscopy. 50, 577 (1953).

Goloushkin V. N., Ivan Ivanovich Borgman. 44, 255 (1951).

Goloushkin V. N., The equation of state of an ideal gas of D. I. Mendeleev. 45, 616 (1951).

Goldanskii V. I., Lyubimov A. L. and Medvedev B. V., Scattering and absorption of high-energy nucleons. 48, 531 (1952); 49, 3 (1953).

Goldman A. G., Mikhail Petrovich Avenarius and the Kiev school of experimental physics. 44, 586 (1951).

Gombash P., Statistical theory of atomic nuclei. 49, 385 (1953).

Goncharskii L. A., Electron-beam amplitude analyzer (Ref.) 45, 150 (1951).

Gorelik G. S., Some applications of the second law of thermodynamics to electrical fluctuations. 44, 33 (1951).

Gorelik G. S., In memory of A. A. Andronov. 49, 449 (1953).

Gorokhovskii Yu. N., Conference on color photography and cinematography. 43, 311 (1951).

Gorokhovskii Yu. N. and Meiklyar P. V., Conference on the main problems of scientific photography. 45, 294 (1951).

Gorokhovskii Yu. N., Meiklyar P. V., Savostyanova M. V. and Toporets A. S., On the seventy-fifth anniversary of the birth of T. P. Kravets. 44, 301 (1951).

Goukhberg D. A. (see Kaptsov N. A. and Goukhberg D. A.), 43, 620 (1951).

Green S. B. (see Becker J. A., Green S. B. and Pearson T. L.), 45, 229 (1951).

Gross E. F., Pavinskii P. P., Stekhanov A. I., Combination scattering of light in the second order. 43, 536 (1951).

G. A., Reactors for investigations with neutrons. (Ref.) 47, 130 (1952).

G. B., Slow mesons in the atmosphere. (Ref.) 41, 397 (1950).

G. B., Heavy nuclei in primary cosmic radiation. (Ref.) 41, 399 (1950).

G. B., Generation of mesons in penetrating showers of cosmic radiation. (Ref.) 41, 547 (1950).

G. B., Diurnal variations of the flux of heavy nuclei in primary cosmic radiation. (Ref.) 44, 457 (1951).

G. G., Measurements of density in the superaudio flux by the method of absorption of X-rays. (Ref.) 45, 153 (1951).

G. G., On the measurement of angular diameters of discrete sources of cosmic radio emission. (Ref.) 50, 472 (1953).

G. I., Formation of $\pi^-$-mesons in proton—proton collision. (Ref.) 42, 571 (1950).

G. I., Spectrum of photons formed during absorption of $\pi^-$-mesons by hydrogen. (Ref.) 42, 574 (1950).

G. I., Fission of nuclei with mass numbers 63—118. (Ref.) 42, 576 (1950).

G. I., Production of a beam of $\pi^\pm$-mesons on a phasotron. (Ref.) 45, 306 (1951).

G. I., Effective nuclear cross sections for high-energy neutrons. (Ref.) 45, 465 (1951).

G. I., Stars formed by high-energy photons. (Ref.) 45, 469 (1951).

G. I., Reaction $\pi^+ + d \rightleftarrows p + p$ and the spin of $\pi$-mesons. (Ref.) 46, 109 (1952).

G. I., Nuclear interaction of $\pi$-mesons. (Ref.) 46, 112 (1952).

G. I., Data on spontaneous fission of heavy nuclei. (Ref.) 47, 325 (1952).

G. I., Formation of C11 in nuclear reactions of $\pi^-$-mesons with oxygen and nitrogen. (Ref.) 47, 327 (1952).

G. I., Fast-neutron spectrometer. (Ref.) 49, 315 (1953).

G. I., Masses of atomic nuclei and the question of nuclear shells. (Ref.) 49, 477 (1953).

G. I., Quasi-free scattering of nucleons and the intranuclear distribution of nucleon momenta. (Ref.) 50, 626 (1953).

G. R., Gyromagnetic ratio for the proton and refinement of the value $e/m$. (Ref.) 42, 321 (1950).

G. R., X-ray “microscope.” (Ref.) 43, 144 (1951).

G. R., Experimental study of the fine structure of singly ionized helium. (Ref.) 44, 458 (1951).

G. R., New developments in diffraction microscopy. (Ref.) 44, 622 (1951).

G. R., Heterochromatic photometry without separation of rays. (Ref.) 45, 309 (1951).

G. R., Observation of magnetic domains by means of the magneto-optical effect. (Ref.) 45, 474 (1951).

G. R., Radiosonde measurement of the direction and speed of winds in the upper layers of the atmosphere. (Ref.) 48, 138 (1952).

G. R., Microscope with a scanning beam. (Ref.) 48, 442 (1952).

G. R., Determination of the structure of the ozone layer up to an altitude of 70 km. (Ref.) 49, 320 (1953).

G. R., Observation of the process of formation of thin metallic films with the aid of an electron microscope. (Ref.) 49, 329 (1953).

G. R., Summary of rocket data on the structure of the upper layers of the atmosphere as of January 1952. (Ref.) 50, 145 (1953).

G. H., Methods for obtaining oriented nuclei. (Ref.) 48, 437 (1952).

G. H., Experiments with oriented nuclei. (Ref.) 48, 440 (1952).

D

Daniel R. R., Davis J. H., Malvey J. H. and Perkins D. H., Nuclear interactions at high energy. Part 1. Evidence for the formation of heavy mesons. 49, 273 (1953).

Davis J. H. (see Daniel R. R., Davis J. H., Malvey J. H. and Perkins D. H.), 49, 273 (1953).

Dzhelepov B. (see Artemov K. and Dzhelepov B.), 41, 189 (1950).

Dzhelepov B. S. and Zyryanova L. N., Masses of light nuclei. 48, 465 (1952).

Addendum to the article by B. S. Dzhelepov and L. N. Zyryanova, “Masses of light nuclei.” 48, 465 (1952). (From letters to the editors.) 49, 183 (1953).

Dmitrii Vladimirovich Skobeltsyn. (On the sixtieth anniversary of his birth.) 49, 297 (1953).

Dobronravin P. P., First conference on astrospectroscopy. 42, 585 (1950).

Dobrotin N. A., Zatsepin G. T., Rozental I. L., Sarycheva L. I., Christiansen G. B. and Eidus L. Kh., Extensive atmospheric showers of cosmic rays. 49, 185 (1953).

Dorfman Ya. G., Concerning the article by V. I. Lebedev “Discovery of the connection between electrical and magnetic phenomena by I. A. Dvigubskii.” 44, 318 (1951).

Dukov V. M., Development of the theory of the electromagnetic field in the works of Russian physicists before Hertz’s experiments. 49, 569 (1953).

D. Sh., A new source of light using the phenomenon of electroluminescence. (Ref.) 44, 277 (1951).

E

Eliseev A. A., Publication of the complete collected works of M. V. Lomonosov. 42, 49 (1950). “Mikhail Vasil’evich Lomonosov—the greatest Russian scholar” (on the 185th anniversary of his death). 44, 291 (1951).

E. P., New infrared radiation of the Milky Way. (Ref.) 46, 422 (1952).

Zh

Zhdanov G. B., Nuclear fissions caused by μ-mesons. (Ref.) 46, 411 (1952).

Zhidkova Z. V., The chromatographic method of analysis of M. S. Tsvet. 44, 369 (1951).

Z

Zatsepin G. G. (see Dobrotin N. A., Zatsepin G. G., Rosental I. L., Sarycheva L. I., Khristiansen G. B. and Eidus L. Kh.). 49, 185 (1953).

Zingerman A. S. Mechanism and theory of breakdown of solid dielectrics. 46, 450 (1952).

Values of certain fundamental physical constants according to data for December 1950. (Ref.) 45, 458 (1951).

Zyryanova L. N. (see Dzhelepov B. S. and Zyryanova L. N.). 48, 465 (1952).

I

Ivanenko D., P. Gombash. Statistical theory of the atom and its applications. (Rev.) 43, 319 (1951).

Ivanov N. I. Aleksandr Lvovich Gershun. (On the thirty-fifth anniversary of his death.) 42, 476 (1950).

I. V. Interaction of the neutron with the electron. (Ref.) 49, 301 (1953).

I. L. Electron-optical pyrometer. (Ref.) 42, 498 (1950).

I. L. Optical location. (Ref.) 43, 142 (1951).

I. L. Measurement of gas velocity in a rocket flame by means of a Fabry–Perot interferometer. (Ref.) 46, 284 (1952).

I. E. Use of radioactive radiation to intensify photographic blackening. (Ref.) 45, 158 (1951).

K

On the 40th anniversary of the death of P. N. Lebedev. 46, 305 (1952).

On the sixtieth anniversary of the birth of Academician G. S. Landsberg. 41, 128 (1950).

Camerini (see Powell C. F., Camerini U., Fowler et al.). 43, 54 (1951).

Kapitsa P. L. Pendulum with a vibrating suspension. 44, 7 (1951).

Kaptsov N. A. Recollections of Petr Nikolaevich Lebedev. 46, 325 (1952).

Kaptsov N. A. On the 150th anniversary of the publication of V. V. Petrov’s book “News of Galvani-Voltaic Experiments.” 50, 303 (1953).

Kaptsov N. A. and Gouxberg D. A. Super-high-pressure lamps. 43, 620 (1951).

Karpov M. On American attempts to propagate idealism in the USSR. (From letters to the editors.) 44, 316 (1951).

Kedrov B. M. D. I. Mendeleev’s periodic law and the inert gases. 47, 95 (1952).

Kizel V. A. Verification of the conclusions of positron theory. (Ref.) 45, 470 (1951).

Kitaigorodsky A., V. I. Pavlov. Course of Physics, Vol. 1 (Mechanics, Molecular Physics). (Rev.) 41, 565 (1950).

Kitaigorodsky A. I. Experimental determination of the true shape of a diffraction line on an X-ray photograph of a polycrystal. (Ref.) 43, 152 (1951).

Kitaigorodsky A. I. A new method for studying the sizes and deformations of crystalline grains. (Ref.) 43, 155 (1951).

Kitaigorodsky A. I., K. K. Aglinstev. Dosimetry of ionizing radiations (radiometry and roentgenometry). (Rev.) 44, 479 (1951).

Kitaigorodsky A. I. Advances in X-ray structural analysis of crystals. 46, 25 (1952).

Kitaigorodsky A. I. A new method for determining complex structures of crystals. (Ref.) 47, 487 (1952).

INDEX TO VOLUMES XLI–L

Kittel K., Physical theory of the domain structure of ferromagnets. 41, 452 (1950).

Kobylyanskii I. G., Artificial refracting medium for radio waves. (Physical Chronicle.) 49, 473 (1953).

Kozyrev B. P., Photoelectric amplifier. 44, 173 (1951).

Kolesnikov N. N., New data on neutral mesons. (Ref.) 43, 120 (1951).

Konobeevskii S. T., Investigation of the structure of atoms in crystals by the probe method. 44, 21 (1951).

Korenblit L. I. (see Samoilovich A. G. and Korenblit L. I.). 49, 243 (1953); 49, 337 (1953).

Korobko-Stefanov A. A., On the question of total reflection of waves. (Historical essay.) 42, 433 (1950).

Kottrell A. H., Theory of interlocking in a crystal lattice. 46, 179 (1952).

Kravets T. P., Sergei Ivanovich Vavilov. An essay on his life and work. 46, 3 (1952).

Kravets T. P., P. N. Lebedev and light pressure. 46, 306 (1952).

Kravkov S. V., Petr Petrovich Lazarev. (On the tenth anniversary of his death.) 46, 441 (1952).

Kravtsov V., Masses of light atoms, calculated from nuclear-reaction energies. (Ref.) 46, 592 (1952).

Kravtsov V., Nuclear masses in the region of mass number 40. (Ref.) 46, 589 (1952).

Kravtsov V. A., Tables of binding energies and the energy surface of heavy nuclei. 47, 341 (1952).

Krasovskii V. I., Investigation of the infrared radiation of the night sky. 47, 493 (1952).

Kuznetsov I. V., Treasures of Russian science. (On the publication of the first volume of the Complete Works of M. V. Lomonosov.) 42, 57 (1950). Mikhail Vasilievich Lomonosov—the greatest Russian scientist (on the 185th anniversary of his death).

Kuznetsov I. V., Against idealistic distortions of the concepts of mass and energy. 48, 221 (1952).

Kuznetsov I. V., Concerning A. A. Maksimov’s letter to the editorial board of the journal Uspekhi fizicheskikh nauk. (Letters to the Editor.) 49, 498 (1953).

Kuznetsov I. V. and Ovchinnikov N. F., For a consistent dialectical-materialist interpretation of the achievements of modern physics. (On A. F. Ioffe’s book The Fundamental Concepts of Modern Physics.) 45, 113 (1951).

K. T., Charge distribution in nuclear fission. 41, 230 (1950).

L

Lazarev N., A 99-channel amplitude pulse analyzer. (Ref.) 43, 148 (1951).

Lark-Horovitz K., Irradiation of semiconductors by nucleons. 50, 51 (1953).

Lov A. A., Application of radioactive isotopes for the study of diffusion in solids. 42, 409 (1950).

Lebedev V. I., The discovery of the connection between electrical and magnetic phenomena by H. C. Ørsted. 42, 569 (1950).

Lebedev P., Instructor Zernov. 46, 329 (1952).

Lebedev P. N. and Usagin I. F., An instrument for demonstrating Huygens’ principle. 49, 469 (1953).

Levshin V. L., Luminescence of activated crystals. 43, 426 (1951).

Leshkovtsev V., A new method for obtaining molecular beams. (Abstract.) 41, 545 (1950).

Leshkovtsev V., On the existence of the “bineutron.” (Abstract.) 46, 409 (1952).

Leshkovtsev V., Optical spectrum of the exciton. (Abstract.) 48, 132 (1952).

Leshkovtsev V. A., B. G. Kuznetsov. Frédéric Joliot-Curie, scientist and fighter for peace. (Review.) 48, 616 (1952).

Lifshits T. M., Application of electron multipliers for counting elementary particles and quanta. 50, 365 (1953).

Lovell A., Meteor ionization and ionospheric anomalies. 41, 9 (1950).

Lopukhin V. M., Remarks on V. M. Lopukhin’s article “A new type of microwave amplifier.” 43, 167 (1951).

Lofgren E. J., Proton synchrotron. 43, 254 (1951).

Lamb W. E. and Rutherford R. K., Fine structure of the hydrogen atom. 45, 553 (1951).

Lyubimov A. L. (see Gol’danskii V. I., Lyubimov A. L. and Medvedev B. V.). 48, 531 (1952); 49, 3 (1953).

Lialikov K. S., Conference on scientific and technical applications of photography and cinematography. 41, 413 (1950).

Lyapidevskii V. K. and Shcherbakov Yu. A., Wilson diffusion chamber. (Abstract.) 45, 141 (1951).

L. B., New types of mass spectrometers based on time measurement. (Abstract.) 47, 482 (1952).

L. B., A new type of luminescence of green plants. (Abstract.) 48, 136 (1952).

L. B., Ionization detector of nuclear radiation operating without an external voltage source. (Abstract.) 48, 444 (1952).

L. B., Positronium. (Abstract.) 49, 155 (1953).

L. B., Cherenkov selector of heavy particles. (Abstract.) 49, 317 (1953).

L. B., Radioactive electrostatic high-voltage generator. (Abstract.) 50, 320 (1953).

L. V., Statistical formulation of the Pauli principle and calculation of many-electron atoms. (Abstract.) 50, 315 (1953).

L. I., Instantaneous photography. (Abstract.) 44, 618 (1951).

L. K., Spectrum of fission neutrons, U²³⁵. (Abstract.) 48, 585 (1952).

L. K., Spectrum of fission neutrons, U²³⁵. (Abstract.) 50, 138 (1953).

L. K., Spectrum of fission neutrons, Pu²³⁹. (Abstract.) 50, 141 (1953).

L. L., Analysis of solid substances by means of a mass spectrometer. (Abstract.) 45, 143 (1951).

L. L., Stabilization of the electron current in a mass spectrometer. (Abstract.) 45, 308 (1951).

L. Kh., Ionization manometers for extremely low pressures. (Abstract.) 46, 425 (1952).

L. Kh., A new vacuum manometer. (Abstract.) 47, 331 (1952).

L. Kh., New ionization manometers. (Abstract.) 47, 489 (1952).

L. L., Production of negative ions. (Abstract.) 47, 636 (1952).

L. L., Mass-spectrometric determination of the molecular weight of components of analyzed mixtures. (Abstract.) 47, 638 (1952).

L. L., Mass-spectrographic study of ionic reactions in hydrogen. (Abstract.) 49, 176 (1953).

L. Kh., Measurement of extremely low pressures with an adsorption manometer. (Abstract.) 49, 334 (1953).

L. Kh., Increase in the sensitivity of a thermocouple manometer. (Abstract.) 50, 155 (1953).

L. Kh., Ionization pump. 50, 641 (1953).

L. Ch., Modern pulsed light sources. (Abstract.) 42, 500 (1950).

L. E., Neutrons in cosmic rays. (Abstract.) 41, 211 (1950).

M

Mack, J. E., Table of nuclear moments. 44, 393 (1951).

Maksimov, A. A., On the article by I. V. Kuznetsov “Against idealistic distortions of the concepts of mass and energy.” 49, 497 (1953).

Maksimov, Ya. S., Demonstrations with ultrasound. 50, 433 (1953).

Malov, N. N., A new method for observing electric and magnetic fields. (Ref.) 41, 244 (1950).

Mulvey, J. H. (see Daniell, R. R., Davies, J. H., Mulvey, J. H., and Perkins, D. H.), 49, 273 (1953).

Mandelshtam, S. L., Review of works on the investigation of the short-wave ultraviolet radiation of the Sun. 46, 145 (1952).

Markov, A.; A. M. Bonch-Bruevich, The use of electron tubes in experimental physics. (Review) 46, 597 (1952).

Medvedev, B. V. (see Goldanskii, V. I., Lyubimov, A. L., and Medvedev, B. V.), 48, 531 (1952); 49, 3 (1953).

Migdal, A. B., and Smorodinskii, Ya. A., Artificial $\pi$-mesons. 41, 133 (1950).

Mikhailov, B. V. (see Baldin, A. M., and Mikhailov, V. V.), 44, 200 (1951).

Mikhailov, I. G., and Solov’eva, V. A., Absorption of ultrasonic waves in liquids and the molecular mechanism of volume viscosity. 50, 4 (1953).

Mickiewicz, N., Application of the Cherenkov effect for observing protons and mesons. (Ref.) 50, 461 (1953).

Morgulis, N. D.; N. N. Khlebnikov, Collection of problems and exercises for a course on electrovacuum devices. (Review) 41, 131 (1950).

M. G., A motion-picture camera giving up to $10^9$ frames per second. (Ref.) 43, 140 (1951).

M. G., Conversion of frequency modulation into amplitude modulation by means of waveguides. (Ref.) 44, 289 (1951).

M. G., Propagation of elastic waves in nickel. (Ref.) 44, 470 (1951).

M. G., A new method for investigating temperature fields. (Ref.) 44, 630 (1951).

M. G., New experimental data on “dislocations” in metal. 45, 154 (1951).

M. D., $K^{-}$ and $\tau$-particles. (Ref.) 46, 118 (1952).

M. D., Heavy mesons in penetrating showers. (Ref.) 48, 595 (1952).

M. P., A new method for reducing losses in the skin effect. (Ref.) 49, 325 (1953).

M. P., On a new nonlinear effect in the ionosphere. (Ref.) 49, 484 (1953).

M. P., The dielectric constant and magnetic permeability of various ferrites at ultrahigh frequencies. (Ref.) 50, 152 (1953).

M. P., A new method for accelerating particles. (Ref.) 50, 319 (1953).

N

Neiman, M. B., and Miller, V. B., Application of radioactive isotopes in analytical chemistry. 50, 93 (1953).

Neporent, B. S., and Stepanov, B. I., Vibrational energy and luminescence of complex molecules. 43, 380 (1951).

Nekhamkina, E. N., New books on physics. 41, 250 (1950).

Nekhamkina, E. N., Books on physics published in the first quarter of 1950. 42, 331 (1950).

Nekhamkina E. N., New books on physics. (Index.) 42, 598 (1950).
Nekhamkina E. N., New books on physics. (Index.) 46, 139 (1952).
Nikitin N. A., N. A. Smol’kov. Radiosondes and magnetism. (Rev.) 43, 164 (1951).
N. M., Observation of the shadow from an electron beam. (Abstr.) 49, 328 (1953).
N. I. G., Cosmic rays and radio emission of the Galaxy. (Abstr.) 43, 284 (1951).

O

Ovchinnikov N. F., (see Kuznetsov I. V. and Ovchinnikov N. F.), 45, 113 (1951).
Ovchinnikov N. F., Discussion of the report by I. V. Kuznetsov “Against idealistic distortions of the concepts of mass and energy” at the Scholarly Council of the Sector of Dialectical Materialism of the Institute of Philosophy of the Academy of Sciences of the USSR. (Brief review of the speeches.) 48, 263 (1952).
Ovchinnikov N. F., Reply to Ya. P. Terletskii. (Letters to the Editor.) 50, 158 (1953).
Ozerov R., Study of the ordering of alloys by the method of neutronography. (Abstr.) 41, 235 (1950).
Ozerov R. P., Observation of antiferromagnetism by methods of neutronography. (Abstr.) 41, 239 (1950).
Ozerov R., Diffraction of neutrons in gases. (Abstr.) 42, 149 (1950).
Ozerov R., Neutronography of liquids. (Abstr.) 42, 161, (1950).
Ozerov R. P., Structural neutronography. 45, 481 (1951).
Ozerov R. P., Neutronographic study of the magnetic structure of antiferromagnets. 47, 445 (1952).
Ostroumov, M. A. Yur’ev, V. V. Sklyarevich, V. A. Khitun. A guide to practical classes in physics. (Rev.) 50, 323 (1953).

P

In memory of S. I. Vavilov. 43, 2 (1951).
Pekar S. I., On the effect of deformation of lattices by electrons on the optical and electrical properties of crystals. 50, 197 (1953).
Perkins D. H. (see Daniel R. R., Davis J. H., Malvey J. H., and Perkins D. H.), 49, 273 (1953).
Perlman I., Gioco G. A. and Seaborg G. T., Systematics of alpha-radioactive isotopes. 42, 220 (1950).
Pearson G. L. (see Becker J. A., Green C. B. and Pearson G. L.), 45, 229 (1951).
Podgoretskii M. I., On the mechanism of capture of negative \(\mu\)-mesons. (Abstr.) 46, 107 (1952).
Powell C. F., Mesons. 45, 15 (1951).
Powell C. F., Camerini U., Fowler P. et al., Nuclear disintegrations produced by cosmic particles of high energy. III. The nature of shower particles. 43, 54 (1951).
Awarding of the Stalin Prizes in physics for 1950. 44, 296 (1951).
Ptitsyn O. B. (see Vol’kenshtein M. V. and Ptitsyn O. B.) 49, 501
P. R., A demonstrated experiment on the annihilation of a positron–electron pair. (Abstr.) 47, 630 (1952).
P. Sh., Attempts at experimental detection of double beta decay. (Abstr.) 50, 135 (1953).

R

Radovskii M. A. V. Khramoi. Konstantin Ivanovich Konstantinov. Figures in power engineering. (Rev.) 46, 434 (1952).

Radovskii M. F. U. T. Epinus. Theory of electricity and magnetism. Edited and annotated by Professor Ya. G. Dorfman. (Rev.) 47, 153 (1952).

Radovskii M. I. S. I. Vavilov—organizer of popular-science publications. 47, 477 (1952).

Rail M. Radio astronomy. 46, 508 (1952).

Raiskii S. M. Zone plate. 47, 515 (1952).

Rzhevkin S. N. Visualization of spatially modulated sound waves. 44, 70 (1951).

Rozhanskii I. D., Dzh. D. Bernal (on the 50th anniversary of his birth). 45, 169 (1951).

Rozhkov M. N. A. Morozov—the founder of dimensional analysis. (From letters to the editor.) 49, 180 (1953).

Rozenberg G. New data on infrared radiation of the night sky and polar lights. (Ref.) 41, 119 (1950).

Rozenberg G. Direct measurement of the sizes of organic molecules by an optical method. (Ref.) 41, 404 (1950).

Rozenberg G. New data on the composition and temperature of the upper layers of the atmosphere. (Ref.) 42, 327 (1950).

Rozenberg G. New measurements of the speed of light and of microwaves in vacuum. (Ref.) 42, 485 (1950).

Rozenberg G. Measurement of the pressure of light on a mirror placed in a refracting medium. (Ref.) 44, 463 (1951).

Rozenberg G. Direct proof of the cosmic origin of hydrogen in the upper layers of the atmosphere. (Ref.) 44, 467 (1951).

Rozenberg G. Experimental proof of the existence of electric currents in the ionosphere. (Ref.) 46, 131 (1952).

Rozenberg G. V., K. S. Shifrin. Scattering of light in a turbid medium. (Rev.) 46, 298 (1952).

Rozenberg G. V. Multipath interferometry and interference spectrophotometers. I. 47, 3 (1952); II. 47, 173 (1952).

Rozenberg G. Modulation interferometry. (Ref.) 47, 631 (1952).

Rozenberg G. The speed of light in vacuum. (Ref.) 48, 599 (1952).

Rozenberg G. V. Interference microscopy. 50, 271 (1953).

Rozenberg G. Problems of resolving power in diffraction microscopy. (Ref.) 50, 467 (1953).

Rozenberg L. D. Production of powerful ultrasonics in the megahertz range. (Ref.) 41, 410 (1950).

Rozenberg L. D. Focusing of ultrasonics in water by a concave mirror. 41, 113 (1950).

Rozental I. L. (see Birger N. G. and Rozental I. L.), 45, 104 (1951).

Rozental I. L. (see Dobrotin N. A., Zatsepin G. T., Rozental I. D., Sarycheva L. I., Khristiansen G. B. and Eidus L. Kh.), 49, 185 (1953).

Romanova M. F. The light wave as the basic measure of length. 47, 161 (1952).

Rusakov V. P. N. N. Shiller’s principle. (From letters to the editor.) 49, 181 (1953).

Rytov S. M. On the phase-contrast method in microscopy. 41, 425 (1950).

R. Experimental study of the spectrum of bremsstrahlung radiation. (Ref.) 41, 548 (1950).

R., On the physical foundations of bird navigation. (Abstract) 49, 625 (1953).

R. G., Apparatus for producing strong centrifugal fields. (Abstract) 41, 241 (1950).

R. G., An express method for detecting small amounts of contaminants in air. (Abstract) 42, 329 (1950).

R. G., Radio-frequency mass spectrometer. (Abstract) 43, 301 (1951).

R. G., Spiral-like growth of the surface of carborundum crystals. (Abstract) 45, 311 (1951).

R. G., A new measurement of the gyromagnetic ratio for iron by a mechanical method. (Abstract) 45, 645 (1951).

R. G., Direct measurement of the acceleration of free fall of neutrons. (Abstract) 46, 125 (1952).

R. G., Resonance radio-frequency mass spectrometer. (Abstract) 46, 428 (1952).

R. G., X-ray projector. (Abstract) 46, 429 (1952).

R. G., Direct measurement of the velocity of \(170\text{-}M_{98}\) \(\gamma\)-radiation. (Abstract) 48, 129 (1952).

R. G., Large-scale motions of ionized calcium in the stellar atmosphere. (Abstract) 48, 445 (1952).

R. G., The eclipse method for determining the diameters of stars. (Abstract) 49, 489 (1953).

R. G., A permanent magnet made of MnBi powder. (Abstract) 49, 612 (1953).

S

Samoilovich A. G. and Korenblit L. L., The present state of the theory of thermoelectric and thermomagnetic phenomena in semiconductors. 49, 243 (1953); 49, 337 (1953).

Sarycheva L. I. (see Dobrotin N. A., Zatsepin G. T., Rozental’ I. L., Sarycheva L. I., Christiansen G. B., and Eidus L. Kh.), 49, 185 (1953).

Sveshnikov B. Ya., Quenching of fluorescence of solutions by foreign substances as a method for studying the kinetics of bimolecular reactions in solutions. 46, 331 (1952).

Segre E. and Helmholtz A., Nuclear isomerism. 45, 357 (1951).

Selinov I. P., D. I. Mendeleev’s periodic system of the elements and certain questions of atomic physics. 44, 511 (1951).

Serdyukov A. R., On the history of domestic jet technology. (P. N. Lebedev’s air-cooling engine projects.) 50, 309 (1953).

Siborg G. T. (see Perlman I., Ghiorso A., and Seaborg G. T.), 42, 220 (1950).

Silin V. P. and Feinberg V. Ya., Scattering of \(\pi\)-mesons by nucleons. 50, 325 (1953).

Systematic index of articles in foreign journals. Physical and mathematical sciences. 46, 302 (1952).

Skobel’tsyn D. V., The nature of cosmic radiation. 41, 331 (1950).

Sleter J., The action of radiation on materials. 47, 51 (1952).

Sokolov A. V., On magneto-optical phenomena in ferromagnets. (Macroscopic theory.) 50 (6) (1953).

Sokolov V. A., On the history of the law of black radiation. (On the investigations of V. A. Michelson.) 43, 275 (1951).

Sokolov V. A., Candoluminescence. 47, 537 (1952).

Sokolov N. D., Conference on the theory of chemical structure in organic chemistry. 45, 277 (1951).

Sokolov S. Ya., B. Carlin. Ultrasound, translated from the English by I. V. Zashchuk and V. A. Krasil’nikov, edited by Professor S. N. Rzhevkin. (Review) 45, 478 (1951).

Solov'ev V. A. (see Mikhailov I. G. and Solov'ev V. A.), 50 (1953).
Spasskii B. I., M. V. Lomonosov—the founder of Russian physics. 42, 3 (1950).
Stepanov B. I. (see Neporent B. S. and Stepanov B. I.), 43, 380.
Suvorov S. G., On the so-called physical concept of matter. 44, 485 (1951).
Suvorov S. G., On the question of the law of the interrelation of mass and energy. 48, 213 (1952).
Suvorov S., Reply to V. G. Fridman. 48, 626 (1952).
Suvorov S. G., Once again on the question of the so-called physical concept of matter (reply to V. G. Fridman). 49, 125 (1953).
Sudek G. and Campbell E., Elementary theory of the boiler. 42, 93 (1950).
S. S., On philosophy in the textbook by S. A. Artsybyshev. (Review.) 46, 293 (1952).

T

Tartakovskii B. D., Expanded meeting of the Commission on Acoustics of the Academy of Sciences of the USSR. 44, 636 (1951).
Tartakovskii B. D., Conference on ultrasonic flaw detection and general questions of ultrasonics. 49, 601 (1953).
Tartakovskii B. D., Conference on physical and measuring acoustics. 50, 123 (1953).
Telesnin R. V., Vonsovskii S. V., The modern doctrine of magnetism. (Review.) 49, 494 (1953).
Terenin A. N., Transfer and migration of energy in biochemical processes. 1, 43, 347 (1951).
Terletskii Ya. P., On the origin of cosmic rays. 44, 46 (1951).
Terletskii Ya. P., Concerning the article by N. F. Ovchinnikov “Discussion of the report by I. V. Kuznetsov.” (Letters to the Editor.) 50, 157 (1953).
Timiriazev A. K., From recollections of Petr Nikolaevich Lebedev. 46, 321 (1952).
Tolstov K. D., Fast-neutron registrar. (Abstract.) 41, 112 (1950).
Tolstov K., New data on the abundance of atomic nuclei. (Abstract.) 41, 226 (1950).
Tolstoi N. A. and Feofilov P. P., A new method for investigating relaxation processes and its application to the study of certain physical phenomena. 41, 44 (1950).
Tiablikov S. V., S. I. Pekar. Investigations in the electronic theory of crystals. (Review.) 48, 447 (1952).

U

Usagin I. F. (see Lebedev P. N. and Usagin I. F.), 43, 468 (1953).

F

Fabrikant V., K. I. Krylov. Physical foundations of electrovacuum engineering. (Review.) 41, 563 (1950).
Fabrikant V., Works of P. N. Lebedev on light pressure. 42, 282 (1950).
Fabrikant V. A., S. I. Vavilov’s book “The Microstructure of Light.” 44, 117 (1951).
Fabrikant V. A., L. D. Bel'kind. Pavel Nikolaevich Yablochkov. Life and works. (Review.) 44, 476 (1951).
Fabrikant V. A., D. N. Lazarev. Ultraviolet radiation and its application. (Review.) 46, 134 (1952).

Fabricant V. A., P. N. Lebedev. Selected Works. Edited and with a foreword by Prof. A. K. Timiryazev. Classics of Natural Science Series. (Rev.) 46, 431 (1952).

Fabricant V. V., S. I. Vavilov. The Eye and the Sun (On Light, the Sun, and Vision). (Rev.) 47, 150 (1952).

Fabricant V. A., V. Elenbaas. High-pressure mercury discharge. (Rev.) 48, 618 (1952).

Fabricant V. A., Messi and Burhoe. Electronic and ionic processes of collisions. (Rev.) 50, 642 (1953).

Fainberg V. Ya. (see Silin V. P. and Fainberg V. Ya.), 50, 325 (1953).

Fainberg Ya. B. (see Akhiezer A. I. and Fainberg Ya. B.), 44, 321 (1951).

Fowler (see Powell K. F., Camerini U., Fowler, et al.), 43, 54 (1951).

Fedorov V. V., Reconstruction of oil-sealed high-vacuum pumps. (Abstr.) 48, 614 (1952).

Fedorov V. V., Mercury valve. (Abstr.) 48, 614 (1952).

Fedorov N. T., Kvasov A. A., S. A. Artsibyshev. Physics. Textbook for medical students. (Rev.) 46, 287 (1952).

Feld B. T., Nuclear moments. 50, 600 (1953).

Feofilov P., Third All-Union Conference on Luminescence and Application of Luminescent Substances. 45, 445 (1951).

Feofilov P. P., New paths in the development of the theory of light. (On the book by S. I. Vavilov, Microstructure of Light.) 48, 3 (1952).

Feofilov P. P. and Shlyakhter I. A., An unknown work by S. I. Vavilov on radio detection. 49, 147 (1953).

Feofilov P. P. (see Tolstoy N. A. and Feofilov P. P.), 41, 44 (1950).

Fermi E., Nuclear processes at high energies. 46, 71 (1952).

Fesenkov V. G., The Sikhote-Alin meteorite and its significance for the problem of the origin and evolution of the solar system. 44, 89 (1951).

Fock V. A., Fresnel diffraction by convex bodies. 43, 587 (1951).

Fock V. A., Criticism of Bohr’s views on quantum mechanics. 45, 3 (1951).

Fock V. L. and Mandelstam I. L. Complete Collected Works, Vol. 5. Edited by Academician M. A. Leontovich. (Rev.) 45, 160 (1951).

Fock V. A., Mass and energy. 48, 161 (1952).

Fry D. W. and Walkinshaw W., Linear accelerators. 42, 362 (1950).

Frank-Kamenetskii V. A., New investigations in crystallography and crystallochemistry. Abridged translations and abstracts of foreign works carried out by G. D. Vigdorovich, A. S. Antsishkina, B. V. Nepart, T. L. Khotsyanova, V. M. Kozhin, N. D. Katsenelenbaum, Yu. G. Zagalskaya, N. A. Pobedimskaya, and others, under the general editorship and with a foreword by Prof. G. B. Bokii. (Rev.) 49, 628 (1953).

Frederic Joliot-Curie—a distinguished scientist, ardent fighter for peace. (On the fiftieth anniversary of his birth.) 41, 293 (1950).

Frenkel Ya. I., Comments on the quantum-field theory of matter. 42, 69 (1950).

Frenkel Ya. I., The corpuscular aspect of matter. 44, 110 (1951).

Fridman V. G., Concerning the article by S. G. Suvorov “On Two Concepts of Matter.” (Letter to the Editors.) 48, 623 (1952).

Frisch S. E., Some questions concerning the intensities of spectral lines. 43, 512 (1951).

Frisch S. E., Dmitrii Sergeevich Rozhdestvenskii. (On the 75th anniversary of his birth.) 44, 238 (1951).

Frisch S. E., The concept of mass and energy in modern physics. 48, 167 (1952).

X

Kharkevich A., L. D. Rozenberg. Sound-focusing systems. (Rev.) 41, 247 (1950).

Khitrin L. N. and Shukhanova O. A., Combustion of carbon. 41, 311 (1950).

Kholdnov Yu. V., Crystal γ-spectrometer. 41, 350 (1950).

Khokhlov Yu., New data on the neutral meson. (Ref.) 41, 389 (1950).

Khokhlov Yu., Proof of the birth of neutral mesons by photons. (Ref.) 42, 313 (1950).

Khokhlov Yu., Experiments on the nuclear photoeffect. (Ref.) 42, 316 (1950).

Christiansen G. B. (see Dobrotin N. A., Zatsepin G. T., Rosental I. L., Sarycheva L. I., Christiansen G. B. and Eidus Kh. Kh.), 49, 185 (1953).

Hutshvili G., Fine structure of nuclear magnetic-resonance absorption. (Ref.) 42, 324 (1950).

Hayward E., Use of Wilson chambers with pulsed accelerators. 43, 268 (1951).

Ts

Tsukhanova O. A. (see Khitrin L. N. and Tsukhanova O. A.), 41, 311 (1950).

Ch

Chavchanidze V., On the theory of the beryllium nucleus. 43, 106 (1951).

Chenakal V. L., The refractometer and refractometric methods of investigation in the works of M. V. Lomonosov. 42, 41 (1950).

Chien-Shiung Wu, Modern investigations of the shape of beta spectra. 44, 558 (1951).

Chulanovskii V. M., Molecular spectral analysis. 43, 30 (1951).

Sh

Shine G. A. and Gaze V. F., Ratio of the concentrations of the isotopes C¹³ and C¹² in the atmospheres of stars. 43, 3 (1951).

Shaposhnikov I. G., On certain hydrodynamic quantities for mixtures. 48, 119 (1952).

Shepel V. V., Stalin Prize laureates for 1949. 41, 122 (1950).

Shepel V., Awarding of Stalin Prizes in physics for 1951. 47, 121 (1952).

Shishkin N. S., Investigation of the process of formation of summer precipitation and thunderstorm electricity. 45, 313 (1951).

Shlyakhter I. A. (see Feofilov P. P. and Shlyakhter I. A.), 49, 147 (1953).

Shneiberg E. A., From the history of the discovery of the phenomenon of electroosmosis. 45, 439 (1951).

Shpol’skii E., Radioactivity of the free neutron. (Ref.) 42, 311 (1950).

Shpol’skii E. V., Sergei Ivanovich Vavilov (1891–1951). 43, 327 (1951).

Shpol’skii E. V., Physics and Mechanics. Bibliographic index of articles in foreign journals for 1951, Nos. 1–7. (Rev.) 46, 302 (1952).

Shpol’skii E. V., On the relation between mass and energy. 48, 191 (1952).

Shubnikov A. V., Can a crystal be simultaneously isotropic and anisotropic? 44, 3 (1951).

Shulyak B., Elements with atomic numbers 97 (berkelium, Bk) and 98 (californium, Cf). (Ref.) 44, 264 (1951).

Shumilovskii N. N., I. B. Litinetskii, “M. V. Lomonosov—the founder of Russian instrument making.” (Rev.) 47, 334 (1952).

Index to Volumes XLI–L

Щ

Shcherbakov Yu. A. (see Lyapidevskii V. K. and Shcherbakov Yu. A.), 45, 141 (1951).

Э

Eidus L., Properties of nuclear-active particles of atmospheric showers of cosmic rays. (Ref.) 44, 610 (1951).

Eidus L. Kh. (see Dobrotin N. A., Zatsepin G. T., Rozental I. L., Sarycheva L. I., Khristiansen G. B., and Eidus L. Kh.), 49, 185 (1953).

Estulin I., Emission of delayed neutrons by the isotope N¹⁷. 41, 221 (1950).

Estulin I., The phenomenon of capture of an L₁ electron by a nucleus. (Ref.) 41, 550 (1950).

Estulin I., On the decay scheme of ionium and radiothorium. (Ref.) 44, 269 (1951).

Ephrussi, On the seventieth anniversary of the birth of Nikolai Nikolaevich Andreev. 44, 472 (1951).

E. Sh., Simultaneity in the Compton effect. (Ref.) 42, 315 (1950).

E. Sh., Natural radioactivity of lanthanum. (Ref.) 42, 323 (1950).

Ю

Yuryev V., A new variant of an interference light filter. (Ref.) 41, 115 (1950).

Yuryev V., An interference polarizer with small losses of light. (Ref.) 41, 117 (1950).

Yuryev V., Phase shift upon reflection of light by thin films. (Ref.) 44, 283 (1951).

Yuryev V., Anisotropy of the human eye and its receptors. (Ref.) 44, 287 (1951).

Yuryev V., Interference microscope. (Ref.) 44, 626 (1951).

Yuryev V., Study of the vibrations of piezoelectric crystals by methods of multiple-beam interferometry. (Ref.) 44, 629 (1951).

Yuryev V., Three-slit interferometer. (Ref.) 47, 146 (1952).

Yu. I., Some information on the properties of heavy nuclei. (Ref.) 49, 158 (1953).

Я

Yavorskii B., V. G. Levich, Introduction to Statistical Physics. (Rev.) 44, 645 (1951).

Yavorskii B., S. A. Artsybyshev, Course of Physics, Part I. (Mechanics and Heat.) (Rev.) 46, 600 (1952).

Yakobson I. I. and V. A. Borovkovsky and L. S. Kolovrat-Chervinsky. (From the history of early radioactive investigations in Russia.) 47, 115 (1952).

II. Subject Index

Adsorption

Volkenshtein F. F. Activated adsorption on semiconductors. 50, 253 (1953).

Acoustics

Aleksander I. N., Discussion on questions of photographic recording and reproduction of sound. 43, 317 (1951).

Index for Volumes XLI–L

Rzhevkin S. N., Visualization of spatially modulated sound waves. 44, 70 (1951).

Tartakovskii B. D., Expanded meeting of the Acoustics Commission of the Academy of Sciences of the USSR. 44, 636 (1951).

Tartakovskii B. D., Conference on ultrasonic flaw detection and general questions of ultrasonics. 49, 601 (1953).

Tartakovskii B. D., Conference on physical and measurement acoustics. 50, 123 (1953).

Astrophysics and Astronomy

V. L., Observations of the solar corona outside an eclipse. 42, 157 (1950).

Shain G. A. and Gaze V. F., Ratio of the concentrations of the isotopes C¹³ and C¹² in the atmospheres of stars. 43, 3 (1951).

Fesenkov V. G., The Sikhote-Alin meteorite and its significance for the problem of the origin and evolution of the solar system. 44, 89 (1951).

Mandel’shtam S. L., Review of work on the study of short-wave ultraviolet radiation of the Sun. 46, 145 (1952).

R. G., Large-scale motions of ionized calcium in a stellar atmosphere. 48, 445 (1952).

R. G., The eclipse method for determining the diameter of stars. 49, 489 (1953).

Atomic Nucleus

(See also: Nuclear forces and the structure of the nucleus. Nuclear reactions. Fission of nuclei. Radioactivity. Neutron. Chain reactions. Paramagnetism of nuclei. Gamma rays. Cosmic rays. Mesons.)

Tolstov K., New data on the abundance of atomic nuclei. 41, 226 (1950).

Perlman I., Ghiorso A. and Seaborg G. T., Systematics of alpha-radioactive isotopes. 42, 220 (1950).

G. R., Gyromagnetic ratio for the proton and refinement of the value of $\frac{e}{m}$. 42, 321 (1950).

Shulyak B., Elements with atomic numbers 97 (berkelium, Bk) and 98 (californium, Cf). 44, 264 (1951).

Mak J. E., Tables of nuclear moments. 44, 393 (1951).

Selinov I. P., D. I. Mendeleev’s periodic system of elements and certain questions of atomic physics. 44, 511 (1951).

Kizel’ V. A., Verification of conclusions of the positron theory. 45, 470 (1951).

Kravtsov V., Masses of light atoms calculated from energies of nuclear reactions. 46, 592 (1952).

Kravtsov V., Nuclear masses in the region of mass number 40. 46, 589 (1952).

Slater J., Action of radiation on materials. 47, 51 (1952).

G. Kh. (Khutsishvili), Methods for obtaining oriented nuclei. 48, 437 (1952).

G. Kh., Experiments with oriented nuclei. 48, 440 (1952).

Dzhelepov B. S. and Zyryanova L. N., Masses of light nuclei. 48, 465 (1952).

Addition to the article by B. S. Dzhelepov and L. N. Zyryanova, “Masses of light nuclei.” 49, 183 (1953).

L. B., Positronium. 49, 155 (1953).

Yu. I., Certain information on the properties of heavy nuclei. 49, 158 (1953).

V. K., New heavy nuclei. 49, 162 (1953).

V. K., New measurements of masses of atoms with mass numbers from 46 to 70. 49, 164 (1953).

G. I., Masses of atomic nuclei and the question of nuclear shells. 49, 477 (1953).

Fel’d B. T., Nuclear moments. 50, 600 (1953).

Biophysics

Terenin A. N., Transfer and migration of energy in biochemical processes. I. 43, 347 (1951).
R., On the physical foundations of bird navigation. 49, 625 (1953).

Vacuum Technology

L. Kh., Ionization manometers for ultralow pressures. 46, 425 (1952).
L. Kh., A new vacuum manometer. 47, 331 (1952).
L. Kh., New ionization manometers. 47, 489 (1952).
Fedorov V. V., Reconstruction of oil-vapor high-vacuum pumps. 48, 614 (1952).
Fedorov V. V., A mercury seal. 48, 614 (1952).
L. Kh., Measurement of ultralow pressures with an adsorption manometer. 49, 334 (1953).
L. Kh., Increasing the sensitivity of a thermocouple manometer. 50, 155 (1953).
L. Kh., An ionization pump. 50, 641 (1953).

Waves

Brekhovskikh L. M., Reflection of bounded wave beams and pulses. 50, 539 (1953).

Upper Layers of the Atmosphere (see Ionosphere)

Rosenberg G., New data on the infrared radiation of the night sky and auroras. 41, 119 (1950).
Rosenberg G., New data on the composition and temperature of the high layers of the atmosphere. 42, 327 (1950).
Rosenberg G., Direct proof of the cosmic origin of hydrogen in the upper layers of the atmosphere. 44, 467 (1951).
V. F., On magnetohydrodynamic waves in a gas. 46, 126 (1952).
Gerzon N. S., A critical review of data on the temperature of the ionosphere. 47, 561 (1952).
V. M., Pressure, density, and temperature of the earth’s atmosphere at altitudes up to 160 km. 48, 609 (1952).
G. R., Determination of the structure of the ozone layer up to an altitude of 70 km. 49, 320 (1953).
G. R., Summary of rocket data on the structure of the upper layers of the atmosphere as of January 1952. 50, 145 (1953).

Gases

Goloushkin V. N., D. I. Mendeleev’s equation of state of an ideal gas. 45, 616 (1951).
V. F., On magnetohydrodynamic waves in a gas. 46, 126 (1952).

Gamma Rays (see also Radioactivity)

Kholnov Yu. V., A crystalline γ-spectrometer. 41, 350 (1950).
R., Experimental study of the spectrum of bremsstrahlung radiation. 41, 548 (1950).

E. Sh., Simultaneity in the Compton effect. 42, 315 (1950).
Weissenberg A., Gamma spectroscopy with scintillation counters. 44, 453 (1951).
Weissenberg A., Measurement of the velocity of γ-quanta in air. 46, 418 (1952).
B. R., Determination of the absolute intensity of γ-ray beams. 46, 595 (1951).
P. R., A demonstration experiment on the annihilation of a positron–electron pair. 47, 630 (1952).
R. G., Direct measurement of the velocity of 170-MeV γ-radiation. 48, 129 (1952).
L. V., X-ray radiation of an atom with a mesonic orbit. 49, 304 (1953).
A. V., Doppler effect for γ-rays with energies of 4.5 and 4.8 MeV. 49, 312 (1953).
B. R., Polarization of bremsstrahlung. 50, 318 (1953).

Geophysics (see Upper layers of the atmosphere, ionosphere)

V. L., On the magnetic field of the earth. 44, 616 (1951).
Shishkin N. S., Investigations of the process of formation of summer precipitation and thunderstorm electricity. 45, 313 (1951).

Combustion

Khitrin L. N. and Tsukhanova O. A., Combustion of carbon. 41, 311 (1950).

Light pressure

Fabrikant V., P. N. Lebedev’s works on light pressure. 42, 282 (1950).
Rozenberg G., Measurement of light pressure on a mirror placed in a refracting medium. 44, 463 (1951).
Kravets T. P., P. N. Lebedev and light pressure. 46, 306 (1952).

Fission of heavy nuclei (see also Chain reactions)

K. T., Charge distribution in nuclear fission. 41, 230 (1950).
A. B., Fission of bismuth and lead by high-energy particles. 41, 233 (1950).
G. I., Fission of nuclei with mass numbers 63–118. 42, 576 (1950).
B. R., Determination of the upper limit of the time of emission of fission neutrons. 45, 301 (1951).
Ginzburg M., Fission of Cu, Br, Ag, Sn and Ba nuclei. 45, 463 (1951).
G. I., Data on spontaneous fission of heavy nuclei. 47, 325 (1952).
L. K., Spectrum of fission neutrons of U²³⁵. 48, 585 (1952).

Deformation (see Mechanical properties of matter)

Diffraction

Fok V. A., Fresnel diffraction by convex bodies. 43, 587 (1951).
G. R., New developments in diffraction microscopy. 44, 622 (1951).
A. K., Diffraction of X-rays by particles 0.3 microns in size. 44, 633 (1951).

Raiskii S. M., Zone plate. 47, 515 (1952).
Rosenberg G., The problem of resolving power in diffraction microscopy. 50, 467 (1953).

Dielectrics and Dielectric Properties of Matter

A. K., Dielectric properties of the human body in the wavelength range from 1 to 10 cm. 43, 309 (1951).
Zingerman A. S., Mechanism and theory of breakdown of solid dielectrics. 46, 450 (1952).
M. P., Dielectric constant and magnetic permeability of various ferrites at ultrahigh frequencies. 50, 152 (1953).

Liquid

Ozerov R., Neutronography of liquids. 42, 161 (1950).

Sound

(see Acoustics and Ultrasound)

V. S., Electrical phenomena accompanying the freezing of aqueous solutions. 50, 639 (1953).

Instruments, Devices, and Methods of Measurement

(see also Vacuum Technology)

Tolstoi N. A. and Feofilov P. P., A new method for investigating relaxation processes and its application to the study of certain physical phenomena. 41, 44 (1950).
Yur'ev V., A new variant of the interference light filter. 41, 115 (1950).
Yur'ev V., An interference polarizer with small losses of light. 41, 117 (1950).
R. G., Apparatus for obtaining strong centrifugal fields. 41, 241 (1950).
Malov N. N., A new method for observing electric and magnetic fields. 41, 244 (1950).
Rosenberg G., Direct measurement of the sizes of organic molecules by an optical method. 41, 404 (1950).
Leshkovtsev V., A new method for obtaining molecular beams. 41, 545 (1950).
R. G., An express method for detecting small quantities of impurities in air. 42, 329 (1950).
Rosenberg G., The latest measurements of the velocity of light and microwaves in vacuum. 42, 485 (1950).
I. L., Electron-optical hydrometer. 42, 498 (1950).
Vavilov V. S., Observation of individual molecules by means of an electron microprojector. 42, 580 (1950).
Vulfson K., A new receiver of infrared rays. 42, 538 (1950).
Bredel V., A new method for recording ultrasonic waves. 42, 584 (1950).
Kitaigorodskii A. I., A new method for studying the sizes and deformations of crystalline grains. 43, 155 (1951).
M. G., A motion-picture camera giving up to \(10^9\) frames per second. 43, 140 (1951).
I. L., Optical location. 43, 142 (1951).

G. R., X-ray “microscope.” 43, 144 (1951).
Kozyrev B. P., Photoelectric amplifier. 44, 173 (1951).
M. G., Conversion of frequency modulation into amplitude modulation by means of a waveguide. 44, 289 (1951).
Gogoberidze D. V., High-luminosity monochromators for B. Ya. Pines’s X-rays. 44, 291 (1951).
Bagaryatskii Yu. A., New developments in the technique of focusing X-rays. 44, 292 (1951).
M. G., A new method for investigating temperature fields. 44, 630 (1951).
Yur'ev V., Study of vibrations of piezoelectric crystals by methods of multiple-beam interferometry. 44, 629 (1951).
Gintsburg M., Multitarget shutter. 44, 468 (1951).
G. G., Measurement of density in a supersonic flow by the method of absorption of X-rays. 45, 153 (1951).
Bekker J. A., Green S. B., and Pearson G. L., Properties and applications of thermistors—thermally sensitive resistances. 45, 229 (1951).
Bredel V., Phototransistor. 45, 476 (1951).
R. G., A new measurement of the gyromagnetic ratio for iron by a mechanical method. 45, 645 (1951).
I. L., Measurement of the velocity and pressure of gases in a rocket flame by means of a Fabry–Perot interferometer. 46, 284 (1952).
R. G., X-ray projector. 46, 429 (1952).
Rozenberg G. V., Multiple-beam interferometry and interference light filters. I. 47, 3 (1952). II. 47, 173 (1952).
Vavilov V. S., Ion microprojector. 47, 141 (1952).
Yur'ev V., Three-slit interferometer. 47, 146 (1952).
Romanova M. F., The light wave as the fundamental measure of length. 47, 161 (1952).
Kitaigorodskii A. I., A new method for determining complex crystal structures. 47, 487 (1952).
Raiskii S. M., Zone plate. 47, 515 (1952).
Bertseev G. I., Direct-current amplifiers. 49, 93 (1953).
M. P., A new method for reducing losses in the skin effect. 49, 325 (1953).
V. Yu., Photographic method for determining the dispersion of the optical constants of metals. 49, 614 (1953).
Neiman M. B. and Miller V. B., Application of radioactive isotopes in analytical chemistry. 50, 93 (1953).
Rozenberg G. V., Interference microscopy. 50, 271 (1953).

Instruments, Apparatus, and Methods of Measurement in Nuclear Physics

(See also Photographic plates (thick-layer))

Tolstov K. D., Fast-neutron recorder. 41, 112 (1950).
Khol'nov Yu. V., Crystal $\gamma$-spectrometer. 41, 350 (1950).
Heyward E., Use of Wilson chambers with pulsed accelerators. 43, 268 (1951).
A. G., Control of a Wilson chamber by means of an internal counter. 43, 296 (1951).
Wulfson K., Pulse mass spectroscope. 43, 299 (1951).
R. G., Radio-frequency mass spectrometer. 43, 301 (1951).
Lazarev N., 99-channel amplitude pulse analyzer. 43, 148 (1951).
Vavilov V., “Cherenkov counter” for cosmic-radiation particles. 44, 443 (1951).

V. Kh., Investigation of some properties of scintillation counters. 44, 447 (1951).
Weissenberg A., Gamma spectroscopy with the aid of scintillation counters. 44, 453 (1951).
Lyapidevsky V. K. and Shcherbakov Yu. A., Wilson diffusion chamber. 45, 141 (1951).
L. L., Analysis of solids with the aid of a mass spectrometer. 45, 143 (1951).
Goncharsky L. A., Electron-beam amplitude analyzer. 45, 150 (1951).
L. L., Stabilization of the electron current in a mass spectrometer. 45, 308 (1951).
Bredel V., Investigation of surface layers with the aid of a counter. 45, 477 (1951).
Weissenberg A., Application of scintillation counters to the study of cosmic radiation. 45, 630 (1951).
V. L. and Yu. Sh., Wilson diffusion chamber with a heated bottom and a cooled lid. 46, 420 (1952).
R. G., Resonance radio-frequency mass spectrometer. 46, 428 (1952).
B. R., Elimination of end effects in counters. 46, 594 (1952).
A. V., Investigation of Cherenkov radiation as a method for determining the velocity of fast charged particles. 46, 413 (1952).
B. R., Determination of the absolute intensity of γ-ray beams. 46, 595 (1951).
L. L., Mass-spectrometric determination of the molecular weight of components of analyzed mixtures. 47, 638 (1952).
L. B., New types of mass spectrometers based on the measurement of time. 47, 482 (1952).
L. B., Ionization detector of nuclear radiations operating without an external voltage source. 48, 444 (1952).
V. L., Yu. Sh., Controlled Wilson chambers for registering ionizing particles formed inside the chamber. 49, 172 (1953).
L. L., Mass-spectrographic study of ionic reactions in hydrogen. 49, 176 (1953).
V. S., Highly sensitive slow-neutron counter. 49, 314 (1953).
G. I., Fast-neutron spectrometer. 49, 315 (1953).
L. B., Cherenkov selector of heavy particles. 49, 317 (1953).
L. B., Radioactive electrostatic high-voltage generator. 50, 320 (1953).
Lifshits T. M., Application of electron multipliers for counting elementary particles and quanta. 50, 365 (1953).
Mitskevich N., Application of the Cherenkov effect for observing protons and mesons. 50, 461 (1953).

Interference

Rozenberg G. V., Multibeam interferometry and interference light filters. I. 47, 3 (1952). II. 47, 173 (1952).
Romanova M. F., The light wave as a fundamental measure of length. 47, 161 (1952).
Rozenberg G., Modulation interferometry. 47, 631 (1952).
Bernstein I. L., On the review “Modulation interferometry.” 49, 631 (1953).
Rozenberg G. V., Interference microscopy. 50, 271 (1953).

Index to Volumes XLI–L

Infrared Radiation

Rosenberg G., New data on the infrared radiation of the night sky and auroras. 41, 119 (1950).
E. P., New infrared radiation of the Milky Way. 46, 422 (1952).
Krasovsky V. I., Investigation of the infrared radiation of the night sky. 47, 493 (1952).

Ionosphere (see Higher Layers of the Atmosphere)

Lovell A., Meteor ionization and ionospheric anomalies. 41, 9 (1950).
Alpert Ya. L., An outline of modern data on investigations of radio-wave propagation. 42, 505 (1950).
Rosenberg G., Experimental proof of the existence of electric currents in the ionosphere. 46, 131 (1952).
Gerson N. S., A critical review of data on the temperature of the ionosphere. 47, 561 (1952).
Alpert Ya. L., The statistical character of the structure of the ionosphere. 49, 49 (1953).
M. P., On one new nonlinear effect in the ionosphere. 49, 484 (1953).

Artificial Radioactivity (see Radioactivity).

History of Physics

Vavilov S. I., A new page in the history of Soviet science and technology. 41, 3 (1950).
Chenakal V. L., The refractometer and refractometric methods of investigation in the works of M. V. Lomonosov. 42, 41 (1950).
Eliseev A. A., Publication of the complete collected works of M. V. Lomonosov. 42, 49 (1950).
Kuznetsov I. V., A treasure-house of Russian science. (On the publication of the first volume of the Complete Collected Works of M. V. Lomonosov.) 42, 57 (1950).
Fabrikant V., P. N. Lebedev’s works on light pressure. 42, 282 (1950).
Korobko-Stefanov A. A., On the question of total reflection of water. (Historical essay.) 42, 433 (1950).
Lebedev V. I., The discovery of the connection between electrical and magnetic phenomena by I. A. Dvigubsky. 42, 569 (1950).
Sokolov V. A., On the history of the law of black radiation. (On the investigations of V. A. Mikhelson.) 43, 275 (1951).
Frish S. E., Dmitry Sergeevich Rozhdestvensky. (On the 75th anniversary of his birth.) 44, 238 (1951).
Goloushkin V. N., Ivan Ivanovich Borgman. 44, 255 (1951).
Goldman A. G., Mikhail Petrovich Avenarius and the Kiev school of experimental physics. 44, 586 (1951).
Shneiberg E. A., From the history of the discovery of the phenomenon of electroosmosis. 45, 439 (1951).
Kravets T. P., Sergei Ivanovich Vavilov. An outline of his life and work. 46, 3 (1952).
Kravets T. P., P. N. Lebedev and light pressure. 46, 306 (1952).
Lebedev P., Instructions for students. Zernov. 46, 329 (1952).
Kedrov B. M., The periodic law of D. I. Mendeleev and the inert gases. 47, 95 (1952).
Yakobson I. I., V. A. Borodovsky and L. S. Kolovrat-Chervinsky, From the history of early radioactive investigations in Russia. 47, 115 (1952).

Radovskii M. I., S. I. Vavilov—organizer of popular-science publications. 47, 477 (1952).

Fedorov P. P. and Shlyakhter I. A., An unknown work of S. I. Vavilov on radio detection. 49, 147 (1953).

Lebedev P. N. and Usagin I. F., An apparatus for demonstrating Huygens’ principle. 49, 469 (1953).

Kobylyanskii I. G., An artificial refracting medium for radio waves. (Historical note.) 49, 473 (1953).

Dukov V. M., The development of the theory of the electromagnetic field in the works of Russian physicists before Hertz’s experiments. 49, 569 (1953).

Kaptsov N. A., On the 150th anniversary of the publication of V. V. Petrov’s book News of Galvani-Voltaic Experiments. 50, 303 (1953).

Serdyukov A. R., On the history of Russian jet technology. (The engines for aeronautics of P. N. Lebedev.) 50, 309 (1953).

Light sources

L. Ch., Modern pulsed light sources. 42, 500 (1950).

Kaptsov N. A. and Goukhberg D. A., Ultra-high-pressure lamps. 43, 620 (1951).

Quantum physics

Weiskopf V. F., Recent advances in the theory of the electron. 41, 165 (1950).

Frenkel Ya. I., Remarks on the quantum-field theory of matter. 42, 69 (1950).

Blokhintsev D. I., Elementary particles and the field. 42, 76 (1950).

Blokhintsev D. I., Does the “dualism” of waves and particles always exist? 44, 104 (1951).

Frenkel Ya. I., The corpuscular aspect of matter. 44, 110 (1951).

G. R., Experimental investigation of the fine structure of singly ionized helium. 44, 458 (1951).

Fock V. A., A critique of Bohr’s views on quantum mechanics. 45, 3 (1951).

Blokhintsev D. I., A critique of the idealistic interpretation of quantum theory. 45, 195 (1951).

Kizel V. A., Verification of the conclusions of the theory of the positron. 45, 470 (1951).

A. K., Solution of the Thomas–Fermi–Dirac equation. 45, 307 (1951).

Lamb U. E. and Riserford R. K., Fine structure of the hydrogen atom. I, 45, 553 (1951).

Berestetskii V. B., Perturbation theory in quantum electrodynamics. 46, 231 (1952).

Vonsovskii S. V., Problems of the modern quantum theory of electronic conductors. 48, 289 (1952).

Combination scattering of light

Gross E. F., Pavinskii P. P., Stekhanov A. I., Combination scattering of light of the second order. 43, 536 (1951).

Cosmic rays

A. V., A mass spectrometer for cosmic radiation. 41, 108 (1950).

L. E., Neutrons in cosmic rays. 41, 211 (1950).

Skobeltsyn D. V., The nature of cosmic radiation. 41, 331 (1950).

G. B., Heavy nuclei in primary cosmic radiation. 41, 399 (1950).

A. V., Latitude effect of cosmic radiation and the magnetic moment of the Sun. 41, 401 (1950).

Birger N., New disintegrating particles in cosmic rays. 41, 552 (1950).

Powell C. F., Camerini U., Fowler et al., Nuclear disintegrations caused by high-energy cosmic particles. III. Nature of shower particles. 43, 54 (1951).

N. I. G., Cosmic rays and galactic radio emission. 43, 284 (1951).

A. V., On the intensity and spectrum of primary cosmic radiation. 43, 289 (1951).

A. V., Widely diverging beams of fast particles generated by cosmic radiation. 43, 293 (1951).

Terletskii Ya. P., On the origin of cosmic rays. 44, 46 (1951).

G. B., Diurnal variations in the flux of heavy nuclei in primary cosmic radiation. 44, 457 (1951).

Eidus L., Properties of the nuclear-active particles of atmospheric showers of cosmic rays. 41, 610 (1951).

Ginzburg G. M., A “star” produced by a proton with energy \(3 \cdot 10^{13}\) electron-volts. 44, 612 (1951).

Birger N. G. and Rozental I. L., Electron-nuclear showers and the nuclear-cascade process. 45, 104 (1951).

G. I., Stars produced by high-energy photons. 45, 469 (1951).

Weissenberg A., The use of scintillation counters for the study of cosmic radiation. 45, 630 (1951).

A. V., Protons in cosmic radiation at sea level. 45, 636 (1951).

Fermi E., Nuclear processes at high energies. 46, 71 (1952).

A. V., Cosmic-ray absorption curve obtained in the stratosphere. 47, 628 (1952).

A. V., Variations in the intensity of cosmic radiation associated with the activity of the Sun. 47, 629 (1952).

A. V., Study of the albedo of the Earth’s atmosphere for cosmic radiation with the aid of the Cherenkov effect. 48, 131 (1952).

Butler C. C., Unstable heavy particles in cosmic radiation. 48, 389 (1952).

Dobrotin N. A., Zatsepin G. T., Rozental I. L., Sarycheva L. I., Khristiansen G. B. and Eidus L. Kh., Extensive atmospheric showers of cosmic particles. 49, 185 (1953).

Daniel R. R., Davis J. H., Malvey J. H. and Perkins D. H., High-energy nuclear interactions. Part I. Evidence for the formation of heavy mesons. 49, 273 (1953).

A. V., On the presence of lithium, beryllium, and boron nuclei in primary cosmic radiation. 49, 309 (1953).

A. V., Nearby stars in photographic plates exposed in the stratosphere. 50, 460 (1953).

Crystalline State of Matter

Ozerov R., Study of the ordering of alloys by the neutron-diffraction method. 41, 235 (1950).

Kitaigorodskii A. I., A new method for studying the dimensions and deformations of crystalline grains. 43, 155 (1951).

Shubnikov A. V., Can a crystal be isotropic and anisotropic at the same time? 44, 3 (1951).

Konobeevskii S. T., Investigation of the structure of atoms in crystals by the trial method. 44, 21 (1951).

R. G., Spiral-like growth of the surface of carborundum crystals. 45, 311 (1951).
Ozerov R. P., Structural neutronography. 45, 481 (1951).
Kottrell A. H., Theory of locking in a crystal lattice. 46, 179 (1952).
Vonsovskii S. V., Problems of the modern quantum theory of electronic conductors. 48, 289 (1952).
Leshkovtsev V., Optical spectrum of the exciton. 48, 132 (1952).
A. H., Lattice defects in deformed silver. 49, 481 (1953).
A. H., Point surface films of crystals. 49, 487 (1953).
Pekar S. I., On the influence of deformation of lattices by electrons on the optical and electrical properties of crystals. 50, 197 (1953).

Luminescence

Tolstoi N. A. and Feofilov P. P., A new method for investigating relaxation processes and its application to the study of certain physical phenomena. 41, 44 (1950).
Bredel V., Scattering and absorption of luminescence light in polycrystalline substances. 43, 134 (1951).
Neporent B. S. and Stepanov B. I., Vibrational energy and luminescence of complex molecules. 43, 380 (1951).
Levshin V. L., Luminescence of activated crystals. 43, 426 (1951).
D. Sh., A new light source using the phenomenon of electroluminescence. 44, 277 (1951).
Feofilov P. P., Third All-Union Conference on Luminescence and the Application of Luminescent Compositions. 45, 445 (1951).
Sveshnikov B. Ya., Quenching of the fluorescence of solutions by foreign substances as a method for studying the kinetics of bimolecular reactions in solutions. 46, 331 (1952).
Sokolov V. A., Candoluminescence. 47, 537 (1952).
L. B., A new type of luminescence of green plants. 48, 136 (1952).

Magnetic spectroscopy (see Spectroscopy)

Magnetic properties of matter

G. R., Observation of magnetic domains by means of the magneto-optical effect. 45, 474 (1951).
Ozerov R. P., Neutronographic study of the magnetic structure of antiferromagnets. 47, 445 (1952).
R. G., A permanent magnet made of MnBi powder. 49, 612 (1953).

Pendulum

Kapitsa P. L., A pendulum with a vibrating suspension. 44, 7 (1951).

Mesons (see Cosmic rays)

Migdal A. B. and Smorodinskii Ya. A., Artificial π-mesons. 41, 133 (1950).
Gardner E., Barkas V., Smith F. and Bradner H., Mesons obtained with the cyclotron. 41, 153 (1950).
A. V., Lifetime of the positively charged π-meson. 41, 219 (1950).
Khokhlov Yu., New data on the neutral meson. 41, 389 (1950).
B. R., Mesons from 335-MeV γ-rays. 41, 394 (1950).
G. B., Slow mesons in the atmosphere. 41, 397 (1950).
G. B., Generation of mesons in penetrating showers of cosmic radiation. 41, 547 (1950).

Index to Volumes XLI–L

Khokhlov Yu. Proof of the production of neutral mesons by photons. 42, 313 (1950).
A. V. Study of $\pi$-$\mu$-$e$ decay by means of scintillation counters. 42, 495 (1950).
G. I. Formation of $\pi^{+}$ mesons in proton–proton collisions. 42, 571 (1950).
G. I. Spectrum of photons produced in the absorption by hydrogen of $\pi^{-}$ mesons. 42, 574 (1950).

Powell C. F., Camerini U., Fowler et al. Nuclear disintegrations caused by cosmic particles of high energy. III. Nature of shower particles. 43, 54 (1951).
Kolesnikov N. N. New data on neutral mesons. 43, 120 (1951).
A. G. Nature of the neutral particle emitted in the decay of a $\pi$ meson. 43, 294 (1951).
Baldin A. M. and Mikhailov V. V. Formation of mesons by $\gamma$ quanta. 44, 200 (1951).
Powell C. F. Mesons. 45, 15 (1951).
G. I. Obtaining a beam of $\pi^{+}$ mesons at a phasotron. 45, 306 (1951).
Weissenberg A. Multiple scattering of $\mu$ mesons. 45, 634 (1951).
V. F. Production of neutral mesons in the capture of $\pi^{-}$ mesons in hydrogen. 45, 641 (1951).
Podgoretskii M. I. On the mechanism of capture of negative $\mu$ mesons. 46, 107 (1952).
G. I. Reaction $\pi^{+}+\mu \rightleftarrows p+P$ and the spin of $\pi$ mesons. 46, 109 (1952).
G. I. Nuclear interaction of $\pi$ mesons. 46, 112 (1952).
M. D. $K$- and $\tau$-particles. 46, 118 (1952).
Zhdanov G. B. Nuclear disintegrations caused by $\mu$ mesons. 46, 411 (1952).
G. I. Formation of C$^{11}$ in nuclear reactions of $\pi^{-}$ mesons with oxygen and nitrogen. 47, 327 (1942).
V. S. Dependence of the formation of $\pi^{+}$ mesons on atomic number. 47, 328 (1952).
V. F. Interaction of $\pi$ mesons with the carbon nucleus. 47, 330 (1952).
A. V. Scattering of high-energy $\pi$ mesons by protons. 47, 625 (1952).
A. V. A case of nuclear interaction of both decay products of a neutral meson. 47, 627 (1952).
Butler S. C. Unstable heavy particles in cosmic radiation. 48, 389 (1952).
V. S. Scattering of positive and negative $\pi$ mesons on deuterium. 48, 432 (1952).
V. F. Angular distribution of $\pi$ mesons scattered on hydrogen. 48, 434 (1952).
A. V. On the existence of a neutral meson with mass about $550m$. 48, 593 (1952).
M. D. Heavy mesons in penetrating showers. 48, 595 (1952).
V. S. Angular distribution of positive $\pi$ mesons with energy 53 MeV scattered by protons. 49, 167 (1953).
V. S. Total scattering cross section of positive $\pi$ mesons in hydrogen. 49, 169 (1953).

Daniel R. R., Davis J. H., Mulvey J. H., and Perkins D. H. High-energy nuclear interactions. Part I. Evidence for the formation of heavy mesons. 49, 273 (1953).
A. V. X-ray radiation of an atom with a mesonic orbit. 49, 304 (1953).

A. V., Capture of \(\mu\)-mesons by nuclei and the structure of intranuclear nucleon shells. 49, 305 (1953).
Alikhanov A. I., Heavy mesons. 50, 481 (1953).
Snilin V. P. and Feinberg V. Ya., Scattering of \(\pi\)-mesons by nucleons. 50, 325 (1953).

Metals (see Crystalline State of Matter)

A. K., Ring diffusion in metals. 43, 307 (1951).
M. G., New experimental data on “dislocations” in a metal. 45, 154 (1951).
V. Yu., Photographic method for determining the dispersion of optical constants of metals. 49, 614 (1953).

Tracer-Atom Method

Lbov A. A., Application of radioactive isotopes to the study of diffusion in solids. 42, 409 (1950).
Neiman M. B. and Miller V. B., Application of radioactive isotopes in analytical chemistry. 50, 93 (1953).

Methods and Teaching

Shaposhnikov I. G., On some hydrodynamic quantities for a mixture. 48, 119 (1952).
Volkova A. Ya., Malov N. N. and Yashkin A. Ya., Some lecture demonstrations for a course in experimental physics. 48, 123 (1952).
Maksimov Ya. S., Demonstration on ultrasound. 50, 433 (1953).

Mechanical Properties of Matter

Gogoberidze D. B., Fracture phenomena in crystalline and amorphous bodies. 42, 561 (1950).

Microscopy

Rytov S. M., On the phase-contrast method in microscopy. 41, 425 (1950).
Vavilov V., X-ray microscope. 42, 577 (1950).
G. R., X-ray-optical “microscope.” 43, 144 (1951).
G. R., New developments in diffraction microscopy. 44, 622 (1951).
Yuriev V., Interference microscope. 44, 626 (1951).
R. G., X-ray projector. 46, 429 (1952).
Vavilov V. S., Ion microprojector. 47, 141 (1952).
G. R., Microscope with a scanning beam. 48, 442 (1952).
Rozenberg G., Interference microscopy. 50, 271 (1953).
Rozenberg G., The problem of resolving power in diffraction microscopy. 50, 467 (1953).

Molecules

Volkenshtein M. V., Intramolecular interactions and optics. 43, 485 (1951).

Molecular, electron, and ion beams

Leshkovtsev V., A new method for obtaining molecular beams. 41, 545 (1950).
N. M., Observation of a shadow from an electron beam. 49, 328 (1953).

Neutrons

Tolstov K. D., A fast-neutron detector. 41, 112 (1950).
Estulin I., Emission of delayed neutrons by isotope N^17. 41, 221 (1950).
Ozerov R., Diffraction of neutrons in gases. 42, 159 (1950).
Ozerov R., Neutronography of liquids. 42, 161 (1950).
Shpol’skii E. V., Radioactivity of the free neutron. 42, 311 (1950).
Vlasov N. A., Neutron sources. 43, 169 (1951).
B. R., Determination of the upper limit of the flight time of fission neutrons. 45, 301 (1951).
G. I., Effective nuclear cross sections for high-energy neutrons. 45, 465 (1951).
Ozerov R. P., Structural neutronography. 45, 481 (1951).
R. G., Direct measurement of the acceleration of free fall of neutrons. 46, 125 (1952).
Leshkovtsev V., On the existence of a “bineutron.” 46, 409 (1952).
Ozerov R. P., Neutronographic study of the magnetic structure of antiferromagnets. 47, 445 (1952).
L. K., Spectrum of fission neutrons of U^235. 48, 585 (1952); 50, 138 (1953).
Yu. I., Some information on the properties of heavy nuclei. 49, 158 (1953).
I. V., Interaction of the neutron with the electron. 49, 301 (1953).
V. S., A highly sensitive counter of slow neutrons. 49, 314 (1953).
G. I., Fast-neutron spectrometer. 49, 315 (1953).
L. K., Spectrum of fission neutrons of Pu^239. 50, 141 (1953).
B. R., Cross sections of reactions caused by neutrons with an energy of 14.5 MeV. 50, 459 (1953).

General questions

Gershun A. A., On the spectral density of radiation. 46, 388 (1952).

Reflection of electromagnetic waves

Korobko-Stefanov A. A., On the question of total reflection of waves. (Historical survey.) 42, 433 (1950).

Paramagnetism of nuclei

Khutsishvili G., Fine structure of the nuclear magnetic resonance absorption. 42, 324 (1950).
G. Kh. (Khutsishvili), Methods for obtaining oriented nuclei. 48, 437 (1952).
G. Kh., Experiments with oriented nuclei. 48, 440 (1952).

Periodic system of the elements (see Atomic nucleus)

Polymers

Vol'kenshtein M. V. and Ptitsyn O. V. Statistical physics of a linear polymer chain. 49, 501 (1953).

Semiconductors

Vavilov V., Introduction of local conductivity centers (levels) into semiconductors by nuclear bombardment. 41, 109 (1950).
Vavilov V. S., Operation of crystal triodes in the frequency range 5—25 Mc. 42, 493 (1950).
Vavilov V. S., Semiconductor triodes without point contacts. 46, 96 (1952).
Bush G., Electronic conductivity of nonmetals. 47, 258 (1952).
Samoilovich A. G. and Korenblit L. L., Present state of the theory of thermoelectric and thermomagnetic phenomena in semiconductors. Kinetic theory. 49, 243, 337 (1953).
B. V., Experimental confirmation of the validity of the Einstein relation for charge carriers in semiconductors. 50, 142 (1953).
Lark-Horovitz K., Irradiation of semiconductors by nucleons. 50, 51 (1953).
Vol'kenshtein F. F., Activated adsorption on semiconductors. 50, 253 (1953).

Radioactivity (see also Atomic nucleus)

Artemov K. and Dzhelepov B., Radioactive helium isotopes. 41, 189 (1950).
Estulin I., Study of delayed neutrons by the isotope N¹⁷. 41, 221 (1950).
Estulin I., The phenomenon of capture of an L-electron by the nucleus. 41, 550 (1950).
Perlman I., Ghiorso A. and Seaborg G. T., Systematics of alpha-radioactive isotopes. 42, 220 (1950).
Shpol'skii E. V., Radioactivity of the free neutron. 42, 311 (1950).
E. Sh., Natural radioactivity of lanthanum. 42, 323 (1950).
Estulin I., On the decay scheme of ionium and radiothorium. 44, 269 (1951).
Chien-Shiung Wu, Recent studies of the shape of beta spectra. 44, 558 (1951).
Segre E. and Helmholz A., Nuclear isomerism. 45, 357 (1951).
V. F., Double beta decay of Re¹⁸⁵. 45, 642 (1951).
P. Sh., Attempts at experimental detection of double beta decay. 50, 135 (1953).
A. R., Ionization of the K-shell of recoil atoms in the α-decay of polonium. 50, 453 (1953).
A. R., Spectrum of recoil atoms in K-capture. 50, 439 (1953).

Radioastronomy

Getmantsev G., On the nature of the variable component of radio emission from discrete sources. 41, 408 (1950).
N. I., Cosmic rays and radio emission of the galaxy. 43, 284 (1951).
Getmantsev G. G., New data on radio emission from the Sun and the Galaxy. 44, 527 (1951).
Ginzburg M., Investigation of the ionosphere by the method of radar of the Moon. 45, 147 (1951).

Rail M., Radio astronomy. 46, 508 (1952).

G. R., Radio-astronomical measurements of the direction and velocity of winds in the upper layers of the atmosphere. 48, 138 (1952).

G. T., On the measurement of angular diameters of discrete sources of cosmic radio emission. 50, 472 (1953).

Radar

Vysokovskii D. M., Scattering and absorption of microradio waves in atmospheric formations (rain, snow, cloudiness, fog) and radar. 47, 398 (1952).

Radio Spectroscopy

G. R., Experimental study of the fine structure of singly ionized helium. 44, 458 (1951).

Arkadev V. K., On magnetic spectroscopy and radiospectroscopy of the atomic nucleus. 44, 80 (1951).

Lamb U. E. and Retherford R. K., Fine structure of the hydrogen atom. I. 45, 553 (1951).

Discharge in Gases

L. L., Production of negative ions. 47, 636 (1952).

Propagation of Electromagnetic Waves

Alpert Ya. L., An outline of current data on studies of the propagation of radio waves. 42, 505 (1950).

Akhiezer A. I. and Fainberg Ya. B., Slow electromagnetic waves. 44, 321 (1951).

Ginzburg M., Experiments on the propagation of radio waves in an anisotropic ionized medium. 45, 472 (1951).

X-Rays

Vavilov V., X-ray microscope. 42, 577 (1950).

Kitaigorodskii A. I., Experimental determination of the true form of a diffraction line on an X-ray photograph of a polycrystal. 43, 152 (1951).

Konobeevskii S. T., Investigation of the structure of atoms in crystals by the probe method. 44, 21 (1951).

Kitaigorodskii A. I., Advances in X-ray structural analysis of crystals. 46, 25 (1952).

A. K., Reduction of the absorption of X-rays by crystals upon incidence at a glancing angle. 46, 279 (1952).

A. V., X-ray radiation of an atom with a mesonic orbit. 49, 304 (1953).

Gogoberidze D. B., Micro-radiography and X-ray microscopy. 50, 577 (1953).

Superconductivity

Ginzburg V. L., Present state of the theory of superconductivity. 42, 169, 333 (1950).

Ginzburg V. L., Present state of the theory of superconductivity. II. Microscopic theory. 48, 25 (1952).

Sessions and Meetings of Scientific Institutions, Conferences

Lyalkov K. S., Conference on scientific and technical applications of photography and cinematography. 41, 413 (1950).

Borzyak P., At the session of the Division of Physico-Mathematical and Chemical Sciences of the Academy of Sciences of the Ukrainian SSR. 41, 555 (1950).

Dobronravin P. P., First conference on astrospectroscopy. 42, 585 (1950).

Gorokhovskii Yu. N., Conference on color photography and cinematography. 43, 311 (1951).

Aleksander I. N., Discussion on questions of photographic recording and reproduction of sound. 43, 317 (1951).

Tartakovskii B. D., Expanded meeting of the Commission on Acoustics of the Academy of Sciences of the USSR. 44, 636 (1951).

Sokolov N. D., Conference on the theory of chemical structure in organic chemistry. 45, 277 (1951).

Gorokhovskii Yu. N. and Meiklyar P. V., Conference on the fundamental problems of scientific photography. 45, 294 (1951).

Feofilov P., Third All-Union conference on luminescence and the application of luminophores. 45, 445 (1951).

Borzyak P., At the general meetings of the Academy of Sciences of the Ukrainian SSR and its Division of Physico-Mathematical and Chemical Sciences. 45, 622 (1951).

Vonsovskii S. V., Conference on magnetism. 46, 396 (1952).

Tartakovskii B. D., Conference on ultrasonic defectoscopy and general questions of ultrasonics. 49, 601 (1953).

Tartakovskii B. D., Conference on physical and measurement acoustics. 50, 123 (1953).

Spectroscopy

Chulanovskii B. M., Molecular spectral analysis. 43, 30 (1951).

Vulfson K., Multichannel spectrophotometry. 43, 128 (1951).

Frish S. E., Some questions of the intensities of spectral lines. 43, 512 (1951).

Arkadev V. K., On magnetic spectroscopy and radio spectroscopy of the atomic nucleus. 44, 80 (1951).

G. R., Experimental investigation of the fine structure of singly ionized helium. 44, 458 (1951).

Lamb U. E. and Riserford R. K., Fine structure of the hydrogen atom. I. 45, 553 (1951).

Alloys

Ozerov R., Study of the ordering of alloys by the method of neutronography. 41, 235 (1950).

Stalin Prizes in Physics

Vavilov S. I., A new page in the history of Soviet science and technology. 41, 3 (1950).

Shepel V. V., Stalin Prize laureates for 1949. 41, 122 (1950).

Awarding of Stalin Prizes in physics for 1950. 44, 296 (1951).

Shepel V., Awarding of Stalin Prizes in physics for 1951. 47, 121 (1951).

Theoretical Physics

L. V., Statistical formulation of the Pauli principle and calculation of many-electron atoms. 50, 315 (1953).

Solid State (see Crystalline Structure of Matter)

Volkenshtein F. F., Band theory of the solid state and the limits of its applicability. 43, 11 (1951).

A. K., On the relation of the expansion coefficient to the melting temperature. 46, 281 (1952).

Zingerman A. S., Mechanism and theory of breakdown of solid dielectrics. 46, 450 (1952).

Thin Films

Yur’ev V., Phase shift upon reflection of light by thin films. 44, 283 (1951).

Rosenberg G. V., Multiple-beam interferometry and interference light filters. 47, 3, 173 (1952).

G. R., Observation of the process of formation of thin metallic films by means of an electron microscope. 49, 329 (1953).

Friction

A. K., Some new experimental studies of friction. 43, 125 (1951).

Ultrasound

Rosenberg L. D., Focusing of ultrasound in water by a concave mirror. 41, 113 (1950).

Rosenberg L. D., Generation of powerful ultrasound in the megacycle range. 41, 410 (1950).

Bredel’ V., A new method for recording ultrasonic waves. 42, 584 (1950).

M. G., Propagation of elastic waves in nickel. 44, 470 (1951).

Mikhailov I. G. and Solov’ev V. A., Absorption of ultrasonic waves in liquids and the molecular mechanism of volume viscosity. 50, 4 (1953).

Accelerators of Elementary Particles

Fry D. U. and Watkinson U., Linear accelerators. 42, 362 (1950).

Lofgren E. J., Proton synchrotron. 43, 254 (1951).

M. P., A new method of accelerating particles. 50, 319 (1953).

Ferromagnetism

Ozerov R. P., Observation of antiferromagnetism by neutron-diffraction methods. 41, 239 (1950).

Kittel C., Physical theory of the domain structure of ferromagnets. 41, 452 (1950).

Sokolov A. V., On magneto-optical phenomena in ferromagnets. (Macroscopic theory.) 50, 161 (1953).

Physiological Optics

Yur’ev V., Anisotropy of the human eye and its receptors. 44, 287 (1951).

Physical Constants (see also Atomic Nucleus)

G. R., Gyromagnetic ratio for the proton and refinement of the value of $\dfrac{e}{m}$. 42, 321 (1950).

Rosenberg G., Recent measurements of the speed of light and of the microwave in vacuum. 42, 485 (1950).

Values of some fundamental physical constants according to data as of December 1950. 45, 458 (1951).

Rosenberg G., The speed of light in vacuum. 48, 599 (1952).

Philosophical Questions of Physics

Blokhintsev D. I., Does the “dualism” of waves and particles always exist? 44, 104 (1951).

Suvorov S. G., On the so-called physical concept of matter. 44, 485 (1951).

Fock V. A., Critique of Bohr’s views on quantum mechanics. 45, 3 (1951).

Kuznetsov I. V. and Ovchinnikov N. F., For a consistent dialectical-materialist elucidation of the achievements of modern physics. (On A. F. Ioffe’s book Fundamental Conceptions of Modern Physics.) 45, 113 (1951).

Blokhintsev D. I., Critique of the idealistic understanding of quantum theory. 45, 195 (1951).

Butov A. M. and Shvidkovsky E. G., On the law of interrelation of mass and energy. (Against idealistic distortions in the interpretation of the law $E = mc^2$.) 48, 147 (1952).

Fock V. A., Mass and energy. 48, 161 (1952).

Frisch S. E., The conception of mass and energy in modern physics. 48, 167 (1952).

Shpolsky E. V., On the connection between mass and energy. 48, 191 (1952).

Suvorov S. G., On the question of the law of interrelation of mass and energy. 48, 213 (1952).

Kuznetsov I. V., Against idealistic distortions of the concepts of mass and energy. 48, 221 (1952).

Ovchinnikov N. F., Discussion of I. V. Kuznetsov’s report “Against idealistic distortions of the concepts of mass and energy” at the Scientific Council of the Sector of Dialectical Materialism of the Institute of Philosophy of the USSR Academy of Sciences. (Brief review of the speeches.) 48, 263 (1952).

Fridman V. G., Concerning S. G. Suvorov’s article “On two concepts of matter.” (Letters to the editor.) 48, 623 (1952).

Suvorov S. G., Reply to V. G. Fridman. 48, 626 (1952).

Suvorov S. G., Once again on the question of the so-called physical concept of matter (reply to V. G. Fridman). 49, 125 (1953).

Maksimov A. A., On I. V. Kuznetsov’s article “Against idealistic distortions of the concepts of mass and energy.” 49, 497 (1953).

Kuznetsov I. V., Concerning A. A. Maksimov’s letter to the editorial board of the journal Uspekhi Fizicheskikh Nauk. 49, 498 (1953).

Fluctuations

Gorelik G. S., Some applications of the second law of thermodynamics to electrical fluctuations. 44, 33 (1951).

Ginzburg V. L., Some questions of the theory of electrical fluctuations. 46, 348 (1952).

Photography

Lyalikov K. S., Conference on scientific and technical applications of photography and cinematography. 41, 413 (1950).
Gorokhovsky Yu. N., Conference on color photography and cinematography. 43, 311 (1951).
L. I., Instantaneous photography. 44, 618 (1951).
I. E., The use of radioactive radiation for intensifying photographic blackening. 45, 158 (1951).
Gorokhovsky Yu. N. and Meiklyar P. V., Conference on the fundamental problems of scientific photography. 45, 294 (1951).

Photometry

G. R., Heterochromatic photometry without separation of beams. 45, 309 (1951).

Photographic plates (thick-layer)

A. Kh., Photoelectric method for measuring the density of tracks in nuclear emulsions. 49, 616 (1953).
A. Kh., A new method of photographic processing of emulsions up to 200 μ thick. 49, 620 (1953).
A. Kh., The method of “dry” temperature development and the choice of emulsion type when working with large doses of thermal neutrons. 49, 621 (1953).
A. Kh., Reproducibility of measurements of track lengths in nuclear emulsions. 49, 624 (1953).

Photoelements (see Photoeffect)

Chromatography

Brumberg E. M., The application of ultraviolet rays in chromatography. 43, 600 (1951).
Zhidkova Z. V., The chromatographic method of analysis of M. S. Tsvet. 44, 369 (1951).

Chain reactions

Sudak G. and Campbell E., Elementary theory of the boiler. 42, 93 (1950).
G. A., Reactors for research with neutrons. 47, 130 (1952).

Electronics

Vavilov V., Traveling-wave oscillograph. 44, 274 (1951).

Electron optics (see Microscopy)

Elements (see also Atomic nucleus)

Shulyak B., Elements with atomic numbers 97 (berkelium, Bk) and 98 (californium, Cf). 44, 264 (1951).
Selinov I. P., The periodic system of elements of D. I. Mendeleev and some questions of atomic physics. 44, 511 (1951).

Jubilee articles

On the sixtieth anniversary of the birth of Academician G. S. Landsberg. 41, 128 (1950).
Frédéric Joliot-Curie—an outstanding scientist, a fiery fighter for peace. (On the fiftieth anniversary of his birth). 41, 293 (1950).

Mikhail Vasil'evich Lomonosov—the greatest Russian scientist, on the 185th anniversary of his death. 42, 3, 41, 49, 57 (1950).

Spasskii B. I., M. V. Lomonosov—the founder of Russian physics. 42, 3 (1950).

Geivish Yu., Paul Langevin—an outstanding French physicist-materialist. (On the publication in Russian translation of Selected Works.) 42, 462 (1950).

Ivanov N. I., Aleksandr L'vovich Gershun. (On the thirty-fifth anniversary of his death.) 42, 476 (1950).

Gorokhovskii Yu. N., Meiklyar P. V., Savost'yanova M. V. and Toporets A. S., On the seventy-fifth anniversary of the birth of T. P. Kravets. 44, 301 (1951).

Efrussi N. K., On the seventy-fifth anniversary of the birth of Nikolai Nikolaevich Andreev. 44, 472 (1951).

Rozhanskii I. D., J. D. Bernal. (On the 50th anniversary of his birth.) 45, 169 (1951).

On the 40th anniversary of the death of P. N. Lebedev. 46, 305 (1952).

Timiryazev A. K., From recollections of Petr Nikolaevich Lebedev. 46, 321 (1952).

Kravkov S. V., Petr Petrovich Lazarev. (On the tenth anniversary of his death.) 46, 441 (1952).

Dmitrii Vladimirovich Skobel'tsyn. (On the sixtieth anniversary of his birth.) 49, 297 (1953).

Nuclear reactions (see Atomic nucleus)

A. B., Angular distribution in photodisintegration of the deuteron. 41, 224 (1950).

B. R., Absolute yield of photoneutrons from various elements. 42, 166 (1950).

Khokhlov Yu., Experiments on the nuclear photoeffect. 42, 316 (1950).

B. R., Photonuclear reactions with formation of protons. 44, 437 (1951).

V. F., Generation of protons by high-energy γ-rays. 45, 638 (1951).

Fermi E., Nuclear processes at high energies. 46, 71 (1952).

Pontecorvo M. I., On the mechanism of capture of negative μ-mesons. 46, 107 (1952).

G. I., Nuclear interaction of π-mesons. 46, 112 (1952).

Zhdanov G. B., Nuclear disintegrations caused by μ-mesons. 46, 411 (1952).

G. I., Formation of C¹¹ in nuclear reactions of π⁻-mesons with oxygen and nitrogen. 47, 327 (1952).

V. F., Interaction of π-mesons with the carbon nucleus. 47, 330 (1952).

Gol'danskii V. I., Lobimov A. L. and Medvedev B. V., Scattering and absorption of high-energy nucleons. 48, 531 (1952); 49, 3 (1953).

B. R., Dependence of the cross section of photocollection on the charge of the nucleus. 48, 587 (1952).

B. R., Study of fast protons arising in photodisintegration of nuclei. 48, 591 (1952).

V. F., Photodisintegration of the deuteron by high-energy γ-rays. 49, 169 (1953).

Nuclear forces and the structure of nuclei

Chavchanidze V., On the theory of the beryllium nucleus. 43, 106 (1951).

B. R., Experimental verification of the statistical theory of nuclei. 45, 302 (1951).

A. V., Capture of μ-mesons by nuclei and the structure of intranuclear nucleon shells. 49, 305 (1953).

Gombás P. Statistical theory of atomic nuclei. 49, 385 (1953).
G. I. Quasi-free scattering of nucleons and the intranuclear momentum distribution of nucleons. 50, 626 (1953).

OBITUARIES

In memory of S. I. Vavilov. 43, 2 (1951).
Borzyak P., In memory of A. M. Pavlenko. 43, 159 (1951).
Shpolskii E. V., Sergei Ivanovich Vavilov (1891–1951). 43, 327 (1951).
Anselm A. I., Yakov Ilyich Frenkel. 47, 470 (1952).
Gorelik G. S., In memory of A. A. Andronov. 49, 449 (1953).

III. INDEX OF REVIEWS

K. K. Aglintsev, Dosimetry of ionizing radiations (radiometry and roentgenometry). State Publishing House of Technical-Theoretical Literature, Moscow—Leningrad, 1950, 500 pp., 294 figs., with appendix and index. (A. Kitaygorodskii.) 44, 479 (1951).

S. A. Arybyshev, A course in physics, Part I (Mechanics and heat). Approved by the Ministry of Higher Education of the USSR as a physics textbook for students of physics and mathematics faculties of pedagogical institutes. Uchpedgiz, 1951, 659 pp., 571 figs. (B. Yavorskii.) 46, 600 (1952).

S. A. Arybyshev, Physics. A textbook for medical students. Fifth edition, State Medical Literature Publishing House, 1950, 511 pp. (N. Fedorov, A. Kvasov.) 46, 287 (1952).

On philosophy in S. A. Arybyshev’s textbook. (S. S.) 46, 293 (1952).

L. D. Belkind, Pavel Nikolaevich Yablochkov. Life and works. State Energy Publishing House, Moscow—Leningrad, 1950, 379 pp. (V. Fabrikant.) 44, 476 (1951).

A. M. Bonch-Bruevich, The use of electron tubes in experimental physics. M.—L. State Publishing House of Technical-Theoretical Literature, 1951, 486 pp. (A. Markov.) 46, 597 (1952).

S. I. Vavilov, The eye and the sun (On light, the Sun and vision). Second corrected and revised edition. Academy of Sciences of the USSR. Popular-science series. Publishing House of the Academy of Sciences of the USSR, M.—L., 1950, 122 pp., 56 ill. and four portraits on separate plates. (V. Fabrikant.) 47, 150 (1952).

The book by S. I. Vavilov “The Microstructure of Light.” (V. Fabrikant.) 44, 117 (1951).

New paths in the development of the theory of light. (On the book by S. I. Vavilov “The Microstructure of Light.”) (P. Feofilov.) 48, 3 (1952).

V. Veksler, L. Groshev and B. Isaev, Ionization methods for the investigation of radiations. State Publishing House of Technical-Theoretical Literature, Moscow—Leningrad, 1949, 424 pp. (L. Bella.) 43, 162 (1951).

S. V. Vonsovskii, The modern theory of magnetism. State Publishing House of Technical-Theoretical Literature, M.—L., 1952, 440 pp. (R. Telesnin.) 49, 494 (1953).

G. Garrick, Luminescent substances. (E. Advirovich.) 41, 419 (1950).

G. F. G. Garlick, Luminescent materials, Oxford, 1949, 254 p.

P. Gombás, Statistical theory of the atom and its applications. Vienna, Springer, 1949; P. Gombás, Die Statistische Theorie des Atoms und ihre Anwendungen, Wien, Springer Verlag. (D. Ivanenko.) 43, 319 (1951).

For a consistent dialectical-materialist illumination of the achievements of contemporary physics. (On the book by A. F. Ioffe, “Basic Conceptions of Contemporary Physics.”) (I. Kuznetsov and N. Ovchinnikov.) 45, 113 (1951).

F. Seitz, The Modern Theory of Solids. Translated from the English under the editorship of G. S. Zhdanov. Gostekhizdat, Moscow, 1950. (V. Bonch-Bruevich.) 44, 311 (1951).

M. Calvin, K. Heidelberger, J. Reid, B. Tolbert and P. Yankwich, Isotopic Carbon. (L. Bell.) 41, 248 (1950).

M. Calvin, C. Heidelberger, J. Reid, B. Tolbert, P. Yankwich, Isotopic Carbon, London, 1949.

B. Kerlin, Ultrasound, translated from the English by I. V. Zashchuk and V. A. Krasilnikov, edited by Professor S. N. Rzhevkin. Foreign Literature Publishing House, 1950, 307 pp. (S. Sokolov.) 45, 478 (1951).

K. I. Krylov, Physical Principles of Electrovacuum Technology. L.—M., State Energy Publishing House, 1949, 336 pp. (V. Fabrikant.) 41, 563 (1950).

B. G. Kuznetsov, Frédéric Joliot-Curie, Scientist and Fighter for Peace. Goskultprosvetizdat, 1952, 79 pp. (V. Leshkovtsev.) 48, 616 (1952).

D. N. Lazarev, Ultraviolet Radiation and Its Application. State Energy Publishing House. Leningrad—Moscow, 1950, 119 pp., 71 figures. Bibliography, 25 titles. (V. Fabrikant.) 46, 134 (1952).

P. N. Lebedev, Selected Works. Edited and with a foreword by Prof. A. K. Timiryazev. Series “Classics of Natural Science.” Gostekhizdat, M.—L., 1949, 242 pp. (V. Fabrikant.) 46, 431 (1952).

V. G. Levich, Introduction to Statistical Physics. Gostekhizdat, M.—L., 1950, 417 pp. (B. Yavorskii.) 44, 645 (1950).

I. B. Litinetskii, “M. V. Lomonosov—Founder of Russian Natural Science.” M.—L., Gostekhizdat, 1952, 160 pp. (N. Shumilovskii.) 47, 334 (1952).

L. I. Mandelstam, Complete Collected Works, vol. 5, edited by Academician M. A. Leontovich. Publishing House of the Academy of Sciences of the USSR, 1950, 467 pp. (V. Fok.) 45, 160 (1951).

Massey and Burhop, Electronic and Ionic Collision Processes. (V. A. Fabrikant.) 50, 642 (1953).

N. Mott and R. Gurney, Electronic Processes in Ionic Crystals, translated under the editorship of and with a foreword by Academician A. F. Ioffe. Foreign Literature Publishing House, Moscow, 1950. (F. Volkenstein.) 44, 482 (1951).

New Research in Crystallography and Crystal Chemistry (collections of abridged translations and abstracts of foreign works). (V. Frank-Kamenetskii.) 49, 628 (1953).

V. I. Pavlov, Course of Physics, vol. I. (Mechanics, Molecular Physics). Gostekhizdat, 1949, 447 pp. (A. Kitaigorodskii.) 41, 565 (1950).

S. I. Pekar, Studies in the Electronic Theory of Crystals, M.—L., Gostekhizdat, 1951, 256 pp. (S. Tyablikov.) 48, 447 (1951).

L. D. Rosenberg, “Sound-Focusing Systems.” Publishing House of the Academy of Sciences of the USSR, M.—L., 1949, 112 pp. (A. Kharkevich.) 41, 247 (1950).

M. A. Yur’ev, V. V. Sklyarevich, V. A. Khitun, “A Guide to Practical Work in Physics.” (G. Ostroumov.) 50, 323 (1953).

Shift of the Levels of Atomic Electrons and the Additional Magnetic Moment of the Electron According to the Newest Quantum Electrodynamics. Collection of articles. Translation and abstracts by V. I. Grigor’ev and N. P. Klepikov. Edited and with an introductory article by D. D. Ivanenko.

State Publishing House for Foreign Literature, Moscow, 1950, 222 pp. (V. Bonch-Bruevich.) 45, 163 (1950).

N. A. Smol’kov, Radio Waves and Magnetism. Moscow University Press, Moscow, 1950, 67 pp. (N. Nikitin.) 43, 164 (1951).

G. Hevesy, Radioactive Indicators. Translated from the English, State Publishing House for Foreign Literature, Moscow, 1950, 539 pp. (L. Bella.) 44, 649 (1951).

N. N. Khlebnikov, Collection of Problems and Exercises for a Course on Electrovacuum Devices. Edited by V. F. Vlasov. VKAS Edition, Leningrad, 1948, 188 pp. (N. Morgulis.) 41, 131 (1950).

A. V. Khramoi, Konstantin Ivanovich Konstantinov. A Figure in Power Engineering. Biographical Series, issue XI, State Energy Publishing House, M.–L., 1951, 116 pp. (M. Radovskii.) 46, 434 (1952).

S. Chandrasekhar, Radiation Transfer, Oxford, At the Clarendon Press, 1950, 393 pp.

Chandrasekhar S., Radiative Transfer. (L. Biberman.) 46, 136 (1952).

K. S. Shifrin, Scattering of Light in a Turbid Medium. State Publishing House for Technical and Theoretical Literature, M.–L., 1951, 288 pp. (G. Rozenberg.) 46, 298 (1952).

V. Elenbaas, High-Pressure Mercury Discharge. (V. Fabrikant.) 48, 618 (1952).

W. Elenbaas, The High Pressure Mercury Vapour Discharge. Selected Topics in Modern Physics, III, North-Holland Publishing Company, 1951, Amsterdam, 173 pp., 80 figs., 15 tables. Bibliogr. 138 titles.

F. U. T. Epinus, Theory of Electricity and Magnetism. Edited and annotated by Professor Ya. G. Dorfman. Publishing House of the USSR Academy of Sciences. Series “Classics of Science,” 1951, 564 pp. (M. Radovskii.) 47, 153 (1952).

Physics and Mechanics. Bibliographic index of articles in foreign journals, 1951, nos. 1–7. Publishing House of Foreign Literature (IL), 1951. (E. Shpol’skii.) 46, 302 (1952).

BIBLIOGRAPHY

Nekhamkina E. N., New books on physics. 41, 250 (1950).

Vreden-Kobetskaya T. O., Index of articles published in Uspekhi Fizicheskikh Nauk, volumes XXXI–XL, 41, 254 (1950).

Nekhamkina E. N., Books on physics published in the first quarter of 1950. 42, 331 (1950).

Nekhamkina E. N., New books on physics. 42, 598 (1950).

Vreden-Kobetskaya T. O., Bibliography of the works of S. I. Vavilov. 44, 136 (1951).

Nekhamkina E. N., New books on physics. 46, 139 (1952).

Systematic index of articles in foreign journals. Physico-mathematical sciences. 46, 302 (1952).

LETTERS TO THE EDITOR

Lopukhin V. M., Comments on V. M. Lopukhin’s article “A New Type of Microwave Amplifier.” 43, 167 (1951).

Karpov M., On American attempts to propagate nonsense in the USSR. 44, 316 (1951).

Dorfman Ya. G., Concerning V. I. Lebedev’s article “The Discovery of the Commonality of Electrical and Magnetic Phenomena by I. A. Dvigubskii.” 44, 318 (1951).

Gogoberidze D. V., On the history of X-ray microscopy and microradiography. 47, 339 (1952).

Fridman V. G., Concerning the article by S. T. Suvorov, “On Two Concepts of Matter.” 48, 623 (1952).
Suvorov S., Reply to V. G. Fridman. 48, 626 (1952).
Rozhkov M., N. A. Morozov—the founder of dimensional analysis. 49, 180 (1953).
Rusakov V. P., N. N. Shiller’s principle. 49, 181 (1953).
Maksimov A. A., Concerning I. V. Kuznetsov’s article “Against idealistic distortions of the concept of mass and energy.” 49, 497 (1953).
Kuznetsov I. V., Concerning A. A. Maksimov’s letter to the editors of the journal Uspekhi Fizicheskikh Nauk. 49, 498 (1953).
Terletskii Ya. P., Concerning N. F. Ovchinnikov’s article “Discussion of I. V. Kuznetsov’s report.” 50, 157 (1953).
Ovchinnikov N. F., Reply to Ya. P. Terletskii. 50, 158 (1953).