See also: B.M. Bolotovskii, V.E. Rok, V.S. Zykov, A.S. Mikhailov, V.G. Morozov, I.I. Abbasov
PACS: 41.10.Hv, 61.46.+w, 75.50.Dd, 05.50.+q, 05.70.Ln, 82.40.-g, 87.10.+e, 05.65.+b, 05.60.-k, 02.60.Ed, 41.20.-q