See also: V.A. Akulichev, A.P. Manych, G.I. Selivanov, Yu.I. Rudin, L.R. Gavrilov, G. Libman, V.G. Grebinnik, V.A. Zhukov, B.D. Tartakovskii, V.S. Grigor’ev, M.V. Terent’ev, I.G. Leizer, N.N. Andreev
PACS: 29.40.-n, 14.40.Aq, 43.35.Yb