See also: M.I. Rabinovich, Ya.A. Smorodinskii, M.V. Bazhenov, B.M. Smirnov, L.L. Rubchinskii, A.P. Silin, H.D. Abarbanel, A. Selverston, R. Huerta, T.O. Vreden-Kobetskaya
PACS: 87.10.+e, 01.30.Vv, 47.11.-j, 47.85.Dh, 47.52.+j, 47.27.ed, 47.27.Jv, 47.32.-y