Reviews of topical problems

V.E. Privalov, S.A. Fridrikhov “The ring gas laser” Sov. Phys. Usp. 12 153–167 (1969)

A.A. Abrikosov “Magnetic impurities in nonmagnetic metals” Sov. Phys. Usp. 12 168–181 (1969)

I.Ya. Fugol’ “Processes of elastic scattering of metastable helium atoms in helium gas” Sov. Phys. Usp. 12 182–194 (1969)

V.A. Troitskaya, A.V. Guglielmi “Geomagnetic pulsations and diagnostics of the magnetosphere” Sov. Phys. Usp. 12 195–218 (1969)

N.G. Basov, V.V. Nikitin, A.S. Semenov “Dynamics of semiconductor injection lasers” Sov. Phys. Usp. 12 219–240 (1969)

V.L. Ginzburg “Superfluidity and superconductivity in the Universe” Sov. Phys. Usp. 12 241–251 (1969)

N.V. Starostin, P.P. Feofilov “Magnetic circular anisotropy in crystals” Sov. Phys. Usp. 12 252–270 (1969)

G.A. Smolenskii, N.N. Kraĭnik “Progress in ferroelectricity” Sov. Phys. Usp. 12 271–293 (1969)

Methodological notes

K.N. Baranskii, G.A. Sever “Demonstration magnetic-field concentrator” Sov. Phys. Usp. 12 294–295 (1969)

A.N. Kozlova, V.S. Etkin “Lecture demonstrations of certain wave phenomena in the 3 cm band” Sov. Phys. Usp. 12 295–297 (1969)

N.Ya. Molotkov “Illustration of X-ray photography of a rotating crystal with the aid of centimeter electromagnetic waves” Sov. Phys. Usp. 12 297–299 (1969)

From the current literature

I.A. Privorotskii “Experimental investigation of magnetic domains in non-ferromagnetic metals” Sov. Phys. Usp. 12 300–301 (1969)

V.A. Belyakov, Yu.M. Aivazyan “Direct determination of the magnetic structure of crystals with the aid of the Mössbauer effect” Sov. Phys. Usp. 12 302–304 (1969)

Personalia

D.A. Frank-Kamenetskii “Kirill Ivanovich Shchelkin (obituary)” Sov. Phys. Usp. 12 305–306 (1969)