Reviews of topical problems

Ya.L. Al’pert “The outer ionosphere and its transition to the interplanetary medium” Sov. Phys. Usp. 9 787–804 (1967)

V.N. Tsytovich “Nonlinear effects in a plasma” Sov. Phys. Usp. 9 805–836 (1967)

M.I. D’yakonov, S.A. Fridrikhov “Gas laser in a magnetic field” Sov. Phys. Usp. 9 837–859 (1967)

V.R. Lazarenko “Double beta decay and the properties of the neutrino” Sov. Phys. Usp. 9 860–873 (1967)

Physics of our days

S.V. Vonsovskii “The physics of magnetic materials” Sov. Phys. Usp. 9 874–887 (1967)

L.P. Pitaevskii “Macroscopic quantum phenomena” Sov. Phys. Usp. 9 888–891 (1967)

New instruments and methods of measurements

A.S. Tager “The avalanche-transit diode and its use in microwaves” Sov. Phys. Usp. 9 892–912 (1967)

From the history of physics

V.K. Tomas “Three letters of russian physicists to W. K. Roentgen” Sov. Phys. Usp. 9 913–915 (1967)

Methodological notes

A.N. Kozlova, Yu.A. Khvorov “The new physics demonstrations” Sov. Phys. Usp. 9 916–917 (1967)

Meetings and conferences

Yu. Lomsadze “Sixth All-union conference on the theory of elementary particles (Uzhgorod, October 14–23, 1965)” Sov. Phys. Usp. 9 918–925 (1967)