1. I. S. Perelygin, in: The Thermodynamics and Structure of Solutions [in Russian], No. 3, Izd. IKhTI, Ivanovo (1976), p. 83.
2. I. S. Perelygin and A. K. Khairetdinova, Opt. Spektrosk.,26, 717 (1969).
3. I. S. Perelygin and T. F. Akhunov, Opt.Spektrosk.,33, 246 (1972).
4. A. A. Shubin, Trudy FIAN,9, 125 (1958).
5. R. E. Kagarise, Naval Res. Lab. Reports, 4955 (1957).