Reviews of topical problems

N.N. Bezuglov, E.N. Borisov, Ya.F. Verolainen “Distribution of the radiative lifetimes over the excited states of atoms and ions” Sov. Phys. Usp. 34 (1) 1–15 (1991)

E.S. Medvedev “Nonexponential fluorescence decay of polyatomic molecules” Sov. Phys. Usp. 34 (1) 16–35 (1991)

L.N. Dem’yanets “High-temperature superconductors: growth of single crystals” Sov. Phys. Usp. 34 (1) 36–73 (1991)

New instruments and methods of investigations

I.S. Zeilikovich, A.M. Lyalikov “Holographic methods for regulating the sensitivity of interference measurements for transparent media diagnostics” Sov. Phys. Usp. 34 (1) 74–85 (1991)

Methodological notes

G.D. Fleishman “Transition radiation of a relativistic particle moving along a curve” Sov. Phys. Usp. 34 (1) 86–96 (1991)

Conferences and symposia

G.C. Dijkhuis “Report on Second International Symposium on Ball Lightning” Sov. Phys. Usp. 34 (1) 97–97 (1991)

Personalia

L.M. Barkov, B.K. Vainshtein, E.P. Kruglyakov, A.V. Rzhanov, D.D. Ryutov, V.I. Simonov, A.N. Skrinskii, L.A. Shuvalov, B.V. Chirikov “Kirill Sergeevich Aleksandrov (on his sixtieth birthday)” Sov. Phys. Usp. 34 (1) 98–98 (1991)

Errata

A.S. Tarnovskii “Erratum: A new representation of quantum mechanics [Sov. Phys. Usp. 33(10), 862-864 (October 1990)]” Sov. Phys. Usp. 34 (1) 99–99 (1991)