See also: P.K. Kashkarov, L.A. Golovan, B.V. Kamenev, E.A. Konstantinova, A.I. Efimova, A.V. Pavlikov
PACS: 42.25.Hz, 42.25.Lc, 42.65.-k, 78.55.Mb, 73.20.Dx, 73.28.An