See also: G.A. Askar’yan, V.L. Ginzburg, I.A. Kossyi, A.V. Gurevich, E.L. Feinberg, Yu.V. Kopaev, P.S. Kop’ev, A.K. Murtazaev
PACS: 84.40.-x, 52.80.Pi, 01.10.Fv