1. J. M. ZIMAN, ?Electrons and Phonons? (Oxford University Press, London, 1962) Chap. IX.
2. K. L. CHOPRA, ?Thin Film Phenomena? (McGraw-Hill, New York, 1969).
3. C. R. TELLIER and A. J. TOSSER, ?Size Effects in Thin Films? (Elsevier Ed., 1982) Chap. 3.
4. Idem, ibid. Chap. 1.
5. C. R. TELLIER, C. R. PICHARD, V. I. VATAMANYUK and A. J. TOSSER,J. Mater. Sci. Lett. 2 (1983) 579.