See also: V.L. Ginzburg, V.I. Tverdokhlebov, B.M. Smirnov, V.E. Koreshchuk, A.V. Gurevich, G.A. Askar’yan, E.L. Feinberg, Yu.V. Kopaev, A.K. Murtazaev, V.V. Usov, P.S. Kop’ev
PACS: 01.10.Fv, 01.40.Di, 52.80.Mg