See also: I.A. Bufetov, A.V. Gladyshev, A.S. Biriukov, A.F. Kosolapov, Yu.A. Kravtsov, E.M. Dianov
PACS: 42.55.Wd, 42.65.-k, 42.81.-i, 41.20.Jb, 42.25.Bs, 42.25.Fx