See also: I.M. Volkov, N.I. Shakura, P.Yu. Golysheva, D.A. Kolesnikov, D. Klochkov, A. Schwope, E.M. Trunkovsky, S.Yu. Shugarov, G. Schonherr, P. Shurygin, K.A. Postnov, J. Wilms, R. Staubert, T.R. Irsmambetova, I.F. Bikmaev
PACS: 07.05.Tp, 97.30.-b, 97.80.Jp
