See also: A.L. Klavsyuk, A.M. Saletsky, A.G. Syromyatnikov, R.A. Andrievski
PACS: 61.46.-w, 68.70.+w, 81.16.-c, 05.10.Ln, 68.55.A-, 68.65.-k, 73.63.Rt, 75.75.-c