See also: D.S. Ponomarev, D.V. Lavrukhin, R.A. Khabibullin, N.V. Chernomyrdin, I.E. Spektor, V.N. Kurlov, V.V. Kveder, K.I. Zaytsev
PACS: 07.57.-c, 42.30.Wb, 84.40.-x