1. D.M. Rowe, CRC Handbook of Thermoelectrics (Boca Raton, FL: CRC, 1995), p. 701.
2. L.I. Anatychuk, Thermoelements and Thermoelectric Devices: Reference Book (Kyiv: Naukova Dumka, 1979), p. 768.
3. N.B. Brandt, Y.G. Ponomarev, and S.M. Chudinov, J. Low Temp. Phys. 8, 369 (1972).
4. N.B. Brandt, S.M. Chudinov, and V.G. Karavaev, Zh. Eksp. Teor. Fiz. 70, 6 (1976).
5. E.V. Osipov, Solid Cryogenics (Kiev: Naukova Dumka, 1977), p. 234.