1. R. P. Feynman, Statistical Mechanics: A Set of Lectures (Benjamin, Reading, 1972).
2. M. F. Sarry, Tech. Phys. 43, 1137 (1998).
3. L. A. Girifalco, Statistical Physics of Materials (Wiley, New York, 1973).
4. F. Seitz, Modern Theory of Solids (McGraw-Hill, New York, 1940).
5. R. F. Trunin, G. V. Boriskov, S. I. Belov, et al., JETP Lett. 82, 284 (2005).