See also: A.E. Miroshnichenko, I.S. Maksymov, C.R. Simovskii, P.A. Belov, K.L. Koshelev, A.E. Krasnok, A.I. Denisyuk, A.A. Bogdanov, A.A. Shcherbakov, Z.F. Sadrieva, Yu.A. Kravtsov
PACS: 42.25.Bs, 42.25.Fx, 42.79.Dj, 42.82.Et, 42.79.Gn, 68.37.Uv, 73.20.Mf, 84.40.Ba