See also: S.A. Zhuravitskii, N.N. Skryabin, I.V. Dyakonov, S.P. Kulik, Ya.V. Kartashov, S.V. Chekalin, S.K. Ivanov, V.N. Zadkov, V.O. Kompanets, Y.Q. Zhang
PACS: 05.45.Yv, 42.65.Re, 42.65.Tg