See also: K.P. Belov, G.M. Drabkin, G.P. Gordeev, Ya.A. Kasman, A.I. Okorokov, V.A. Trunov, G.A. Smolenskii, R.Z. Levitin, Yu.A. Izyumov
PACS: 75.30.Kz, 75.25.+z, 75.50.Bb, 75.60.Ej