1. M. A. Anisimov, E. E. Gorodetskii, and V. M. Zaprudskii, Usp. Fiz. Nauk,133, 103?137 (1981).
2. E. M. Aver'yanov, Fiz. Tverd. Tela,24, 2839?2841 (1982); ibid. E. M. Aver'yanov, Fiz. Tverd. Tela,25 293?295, (1983).
3. N. G. Bakhshiev, Spectroscopy of Intermolecular Interactions [in Russian], Nauka, Leningrad (1972).
4. E. M. Aver'yanov, V. M. Muratov, and V. G. Rumyantsev, Zh. Éksp. Teor. Fiz.,88, 810?822 (1985).
5. V. G. Dashevskii, Conformational Analysis of Organic Molecules [in Russian], Khimiya, Moscow (1982).