See also: E.M. Aver’yanov, S.A. Pikin, E.I. Kats, G.S. Chilaya, Ya.S. Bobovich, L.M. Blinov, A.S. Sonin, S.M. Arakelyan
PACS: 61.30.Gd, 61.30.Dk, 78.30.Cp, 78.20.Ci, 77.80.-e, 61.30.Eb