See also: B.S. Ishkhanov, R.A. Eramzhyan, I.M. Kapitonov, V.G. Neudachin, V.G. Shevchenko, M. Danos
PACS: 24.30.Cz, 21.60.Ev, 21.10.Hw, 21.60.Fw, 21.10.Re, 25.20.Dc, 27.30.+t