1. B. M. Prokhorov, Prib. Sist. Upr., No. 7, 35 (1995).
2. Akio Nagamune and Tezuka Kouichi, Trans. Soc. Instrum and Contr. Enp.,27, No. 11, 1195 (1991).
3. A. P. Zhukovskii, E. I. Opoprienkov, and V. I. Chizhov, in: Theoretical Principles of Radio Altimetry [in Russian], Sov. Radio, Moscow (1979).
4. P. V. Burenin, V. L. Kupriyanov, and S. P. Chernomyrdin, Prib. Sist. Upr., No. 7 (1996).
5. P. V. Burenin, V. L. Kupriyanov, and S. M. Mishanin, Prib. Tekh. Éksp., No. 3, 100 (1996).