See also: A.I. Protsenko, I.A. Eliovich, M.V. Kovalchuk, A.E. Blagov, A.V. Targonsky, A.V. Rogachev, Yu.V. Pisarevsky, A.L. Trigub, V.A. Korzhov
PACS: 07.85.Ne, 07.85.Qe, 61.05.cj