See also: G.A. Askar’yan, R.P. Petrov, V.L. Ginzburg, V.B. Studenov, A.V. Gurevich, Yu.V. Kopaev, E.L. Feinberg, A.K. Murtazaev, P.S. Kop’ev
PACS: 01.10.Fv, 61.80.Ba, 68.15.+e, 64.70.Fx, 47.70.Pq