See also: R.V. Vedrinskii, I.B. Borovskii, V.P. Sachenko, Ya.A. Smorodinskii, B.M. Smirnov, A.P. Silin, T.O. Vreden-Kobetskaya
PACS: 61.10.Ht, 01.30.Vv, 78.70.Dm