1. Yu. P. Kontievskii, Opt.-Mekh. Prom-st', No. 5, 18 (1965).
2. M. M. Loiko and A. N. Rubinov, Prib. Tekh. Éksp., No.3, 201 (1972).
3. B. Bates, J. K. Conway, C. D. Keith, and H. W. Yates, Appl. Opt.,12, No.1, 140 (1973).
4. A. S. Naidenov, Izmeritel'. Tekhn., No. 5, 35 (1975).
5. M. F. Romanova, Applications of Optical Interference [in Russian], ONTI, Moscow-Leningrad (1937).