1. 1) A. F. Ioffe: Semiconductor Thermoelements and Thermoelectric cooling, Infosearch limited, London, (1957).
2. 2) G. Berns: Solid State Physics, Academic Press, Inc., Orland, FL, (1985).
3. 3) N. F. Mott: The Theory of the Properties of Metals and Alloys, Dover Publications, Inc. New York, NY (1958).
4. 4) J.M. Ziman: Principles of the Theory of Solids, Cambridge University Press, New York, NY (1972).
5. 5) J. S. Dugdale: The Electrical Properties of Metals and Alloys, Edward Arnold, London, (1977).