1. M. V. Kabanov, Yu. A. Pkhalagov, and V. E. Gologuzov, Izv. Akad. Nauk SSSR, Fiz. Atmos. Okeana,7, 804 (1971).
2. A. S. Gurvich and V. V. Pokasov, Izv. Akad. Nauk SSSR, Fiz. Atmos. Okeana,8, 878 (1972).
3. T. Wang and I. Clifford, J. Opt. Soc. Am.,65, 927 (1975).
4. V. N. Galakhov, A. V. Efremov, A. F. Zhukov, V. V. Reino, and R. Sh. Tsvyk, Izv. Akad. Nauk SSSR, Fiz. Atmos. Okeana,12, 1251 (1976).
5. A. G. Borovoi, in: IV All-Union Symposium on the Propagation of Laser Radiation in the Atmosphere (Absorption and Scattering) [in Russian], Tomsk (1977).