See also: N.A. Vinokurov, A.E. Levichev, A.G. Tribendis, D.A. Starostenko, D.A. Nikiforov, A.M. Barnyakov, G.Ya. Kurkin, V.N. Volkov, G.I. Kuznetsov, E.N. Kolobanov, P.V. Logachev
PACS: 29.25.Bx, 41.75.Ht, 85.60.Ha