See also: Yu.Kh. Vekilov, O.M. Krasil’nikov, M.P. Belov, A.E. Petrova, S.M. Stishov
PACS: 61.50.Ks, 62.50.-p, 62.20.de, 64.30.Ef, 61.66.Bi, 62.20.D-