See also: S.M. Stishov, Yu.A. Izyumov, I.K. Kamilov, R.Z. Levitin, K.P. Belov
PACS: 62.50.-p, 75.30.Kz, 75.40.Cx, 77.80.B-, 62.20.D-, 63.20.-e, 65.40.Ba, 71.20.Be, 72.15.-v, 75.47.Np