Reviews of topical problems

M.I. Kaganov, A.V. Chubukov “Interacting magnons” Sov. Phys. Usp. 30 1015–1040 (1987)

S.M. Arakelyan “Optical bistability, multistability, and instabilities in liquid crystals” Sov. Phys. Usp. 30 1041–1064 (1987)

From the history of physics

G.S. Zhdanov “The 75th anniversary of the discovery of x-ray diffraction” Sov. Phys. Usp. 30 1065–1072 (1987)

Methodological notes

V.L. Ginzburg, V.P. Frolov “Vacuum in a homogeneous gravitational field and excitation of a uniformly accelerated detector” Sov. Phys. Usp. 30 1073–1095 (1987)

Meetings and conferences

V.I. Simonov “Structural studies of crystals with unique physical properties” Sov. Phys. Usp. 30 1096–1098 (1987)

A.A. Chernov “Elementary processes of crystal growth from solutions” Sov. Phys. Usp. 30 1098–1100 (1987)

G.B. Khristiansen “Prospects for studying cosmic rays at ultrahigh energies (10¹⁵-10²¹ eV)” Sov. Phys. Usp. 30 1110–1112 (1987)