See also: L.A. Mytareva, S.N. Stolyarov, V.G. Veselago, B.M. Bolotovskii, A.N. Kozlova, E.D. Tereshchenko, A.P. Vinogradov, A.V. Kukushkin
PACS: 41.20.Jb, 42.25.Bs, 42.30.Wb, 43.20.Gp