See also: B.A. Volkov, Ya.A. Smorodinskii, B.M. Smirnov, M.Sh. Usmanov, A.P. Silin, T.O. Vreden-Kobetskaya
PACS: 73.20.Dx, 73.40.Lq, 71.28.+d, 01.30.Vv, 85.30.-z