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2. A. F. Ioffe, L. S. Stil’bans, E. K. Iordanishvili, and T. S. Stavitskaya, Thermoelectric Cooling [in Russian], Soviet Academy of Sciences Press, Moscow (1956).
3. A. I. Burshtein, Physical Principles of the Calculation of Semiconductor Thermoelectric Devices [in Russian], Fizmatgiz, Moscow (1962).
4. A. S. Okhotin, A. A. Efremov, V. S. Okhotin, and A. S. Pushkarskii, Thermoelectric Generators [in Russian], Atomizdat, Moscow (1971), p. 147.
5. L. N. Anatychuk, Thermocouples and Thermoelectric Devices [in Russian], Naukova dumka, Kiev (1979), p. 79.