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2. V. G. Vafiadi and M. M. Miroshnikov (editors), Radiation Measurements of the Temperature of Slightly Heated Bodies [in Russian], Izd. BGU, Minsk (1969).
3. K. Franson, S. Katz, and E. Reisen, in: Basic Concepts and Modern Methods for Measuring Temperature [translated from English], Metallurgiya, Moscow (1969).
4. M. V. Smirnov and I. V. Dunin-Barkovskii, Course of Probability Theory and Mathematical Statistics for Technical Applications [in Russian], Nauka, Moscow (1969).
5. A. P. Karpenko and A. I. Rudnaya, ?Testing and measurement technology No. 5,? in: Scientific and Technical Collection [in Russian], Izd. L'vovskogo, Gos. Universiteta (1968).