See also: K.P. Belov, G.A. Smolenskii, E.A. Turov, A.S. Borovik-Romanov, E.L. Nagaev, R.Z. Levitin, Yu.A. Izyumov
PACS: 75.60.Ej, 75.50.Mm, 75.30.Kz, 75.30.Gw, 75.50.Tt, 75.30.Cr