Reviews of topical problems

D.K. Belashchenko “Diffusion mechanisms in disordered systems: computer simulation” Phys. Usp. 42 297–319 (1999)

A.M. Zheltikov, N.I. Koroteev “Coherent four-wave mixing in excited and ionized gas media: four-photon spectrochronography, ellipsometry, and nonlinear-optical imaging of atoms and ions” Phys. Usp. 42 321–351 (1999)

Physics of our days

V.L. Ginzburg “What problems of physics and astrophysics seem now to be especially important and interesting (thirty years later, already on the verge of XXI century)?” Phys. Usp. 42 353–373 (1999)

Physics news on the internet

Yu.N. Eroshenko “Physics news on the Internet (based on electronic preprints)” Phys. Usp. 42 374–374 (1999)

Methodological notes

Yu.L. Klimontovich “Entropy and information of open systems” Phys. Usp. 42 375–384 (1999)

V.A. Saranin “On the interaction of two electrically charged conducting balls” Phys. Usp. 42 385–390 (1999)

Conferences and symposia

L.E. Vorob’ev, D.A. Firsov, V.A. Shalygin, V.N. Tulupenko, N.N. Ledentsov, P.S. Kop’ev, V.M. Ustinov, Yu.M. Shernyakov, Zh.I. Alferov “The outlook for the development of radiation sources in the middle-IR range based on the intraband transitions between the energy levels of charge carriers in injection laser heterostructures with quantum dots and wells” Phys. Usp. 42 391–396 (1999)

V.N. Murzin, Yu.A. Mityagin “Resonance tunneling, electric and optical phenomena in long-period semiconductor superlattices” Phys. Usp. 42 396–399 (1999)

S.V. Ivanov, P.S. Kop’ev, A.A. Toropov “Blue-green lasers based on short-period superlattices in II-VI compounds” Phys. Usp. 42 399–402 (1999)

Z.D. Kvon, L.V. Litvin, V.A. Tkachenko, A.L. Aseev “One-electron transistors based on Coulomb blockade and quantum interference” Phys. Usp. 42 402–405 (1999)

Personalia

A.F. Andreev, K.P. Belov, Yu.V. Gulyaev, A.B. Granovskii, V.A. Magnitskii, V.P. Maslov, V.V. Migulin, Yu.A. Osip’yan, V.I. Trukhin, M.V. Chetkin, V.G. Shavrov, I.A. Yakovlev “In memory of Georgii Sergeevich Krinchik” Phys. Usp. 42 407–408 (1999)

S.V. Antipov, A.A. Boyarchuk, E.P. Velikhov, G.S. Golitsyn, V.I. Kogan, A.Yu. Rumyantsev, V.P. Smirnov, E.N. Snezhkin, A.S. Trubnikov, A.M. Fridman, G.P. Chernikov, V.D. Shafranov “In memory of Mikhail Veniaminovich Nezlin” Phys. Usp. 42 409–410 (1999)

Bibliography

E.V. Zakharova “New books on physics and related sciences” Phys. Usp. 42 411 (1999)