1. V. V. Protopopov and N. D. Ustinov, Laser Heterodyning (Nauka, Moscow, 1985) [in Russian].
2. Chen Songsheng, Yu. Jirong, Petros Mulugeta, et al., Proc. SPIE 5652, 175 (2003).
3. A. A. Dorrington, R. Künnemeyer, and P. M. Danehy, Appl. Opt. 40, 3076 (2001).
4. I. V. Samokhalov, U. D. Kopytin, I. I. Ippolitiv, et al., Laser Sounding of Troposphere and Underlying Terrain (Nauka, Novosibirsk, 1987) [in Russian].
5. V. M. Orlov, I. V. Samokhvalov, G. G. Matvienko, et al., Theory Componentry of Light Scattering and Optical Location (Nauka, Novosibirsk, 1982) [in Russian].