Reviews of topical problems

B.S. Kerner, V.V. Osipov “Self-organization in active distributed media: scenarios for the spontaneous formation and evolution of dissipative structures” Sov. Phys. Usp. 33 (9) 679–719 (1990)

I.V. Zolotukhin, Yu.E. Kalinin “Amorphous metallic alloys” Sov. Phys. Usp. 33 (9) 720–738 (1990)

New instruments and measurement methods

S.V. Egerev, L.M. Lyamshev, O.V. Puchenkov “Laser dynamic optoacoustic diagnostics of condensed media” Sov. Phys. Usp. 33 (9) 739–762 (1990)

From the current literature

E.G. Maksimov, S.Yu. Savrasov “Photoemission spectroscopy of high-T_c superconductors” Sov. Phys. Usp. 33 (9) 763–774 (1990)

N.V. Zavaritskii “The energy gap in the electron excitation spectrum of oxide superconductors” Sov. Phys. Usp. 33 (9) 775–791 (1990)