1. A. Einstein, Investigations on the Theory of the Brownian Movement, Dover, New York (1956). This reprints Einstein’s papers from Ann. Phys. of 1905 and 1906.
2. S. M. Sze, Physics of Semiconductor Devices,2nd ed., Wiley, New York (1981).
3. P. T. Landsberg, in:Handbook on Semiconductors (William Paul, ed.), North-Holland, Amsterdam (1982).
4. C. Kittel and H. Kroemer, Thermal Physics, 2nd ed., W. H. Freeman, San Francisco (1980).
5. J. P. Nougier, in:Physics of Nonlinear Transport in Semiconductors (D. K. Ferry, J. R. Barker, and C. Jacoboni, eds.), Springer Science+Business Media New York (1980).