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2. S. P. Eskin, Izmer. Tekh., No. 3, 28 (1971);
3. Measure. Techniques, 14, No. 3, 395 (1971).
4. V. N. Yanushkin, Development and Study of Scanning Compensation Interpolators for Devices used in Precision Measurement of Displacements [in Russian], Extended Abstract of Candidate’s Dissertation for the Degree of Cand. Tech. Sci., Moscow (1975).
5. A. V. Mironenko, Photoelectric Measuring Systems [in Russian], Énergiya, Moscow (1967).