Valentina A. Petrova, Iosif V. Gofman, Natallia V. Dubashynskaya, Alexey S. Golovkin, Alexander I. Mishanin, Elena M. Ivan’kova, Dmitry P. Romanov, Albert K. Khripunov, Elena N. Vlasova, Alexandra V. Migunova, Alexander E. Baranchikov, Vladimir K. Ivanov, Alexander V. Yakimansky and Yury A. Skorik