1. N. I. Tyurin, Introduction to Metrology [in Russian], Standards Publishers, Moscow (1976).
2. State All-Union Standard GOST 8.021-84 GSI (State System for Maintaining Traceability of Measurements) State Primary Standard and State Verification Scheme for Mass Measuring Instruments [in Russian].
3. A. B. Mamyrin, N. N. Aruev, and S. A. Alekseenko, Authors' Patent Certificate No. 445901 USSR [in Russian], Byull. Izobret. No. 47 (1975).
4. I. M. Lifshitz, M. Ya. Azbel', and M. I. Kaganov, Electron Theory of Metals [in Russian], Nauka, Moscow (1971).
5. B. A. Aronzon, S. D. Lazarev, and E. Z. Meilikhov, Physical Properties of Semiconductor Materials: A Handbook; Preprint No. IAÉ-2304 [in Russian], Institute of Atomic Energy, Moscow (1973).