See also: G.L. Belen’kii, R.A. Suleimanov, G.B. Abdullaev, V.B. Antonov, R.Kh. Nani, T.É. Mekhtiev, A.M. Kosevich
PACS: 62.20.Fe, 62.20.Dc, 65.40.De, 63.20.-e, 61.66.Fn, 71.20.Nr, 61.80.Fe, 61.82.Fk