1. J.M. Ziman: Electrons and Phonons (Oxford University Press, Oxford, 1963)
2. E.G.S. Paige: In Progress in Semiconductors, Vol. 8, ed. by A.F. Gibson and R.E. Burgess (Temple Press Books, London, 1964)
3. B.R. Nag: Theory of Electrical Transport (Pergamon Press, New York, 1972)
4. A. Haug: Theoretical Solid State Physics (Pergamn Press, New York, 1972)
5. E.M. Conwell: High Field Transport in Semiconductors, In Solid State Physics, Suppl. 9, (Academic Press, New York, 1967)