Reviews of topical problems

V.L. Ginzburg, V.A. Dogel’ “Some aspects of gamma-ray astronomy” Sov. Phys. Usp. 32 385–415 (1989)

Yu.L. Klimontovich “Problems in the statistical theory of open systems: Criteria for the relative degree of order in self-organization processes” Sov. Phys. Usp. 32 416–433 (1989)

Yu.A. Kravtsov “Randomness, determinateness, and predictability” Sov. Phys. Usp. 32 434–449 (1989)

V.I. Tatarskii “Criteria for the degree of chaos” Sov. Phys. Usp. 32 450–451 (1989)

Physics of our days

V.B. Shikin “Wigner crystallization on the surface of liquid helium” Sov. Phys. Usp. 32 452–455 (1989)

Methodological notes

I.M. Frank “On the moments of a magnetic dipole moving in a medium” Sov. Phys. Usp. 32 456–458 (1989)

From the current literature

V.L. Dadykin, G.T. Zatsepin, O.G. Ryazhskaya “Events detected by underground detectors on February 23, 1987” Sov. Phys. Usp. 32 459–468 (1989)

I.I. Mazin “Electronic structure of high-temperature superconductors in the normal state” Sov. Phys. Usp. 32 469–472 (1989)

Book reviews

A.N. Matveev, S.M. Zhebrovskii “Books on physics and astronomy to be published by ’Mir’ in 1990” Sov. Phys. Usp. 32 473–478 (1989)