1. W. Cochran, The Dynamics of Atoms in Crystals, Edward Arnold, London (1973).
2. A. J. Heeger, in: Highly Conduction One-Dimensional Solids (J. T. Devreese, R. P. Evrard, and V. E. van Doren), pp. 69–145, Plenum Press, New York (1979).
3. J. Pozhela, Plasma and Current Instabilities in Semiconductors, Pergamon Press, Oxford (1981).
4. M. P. Shaw, H. L. Grubin, and P. N. R. Solomon, in: Gunn-Hilsum Effect Electronics (L. Marton and C. Marton, eds.), Vol. 51, pp. 310–433, Academic Press, New York (1980).
5. W. Fawcett, in: Non-Ohmic Transport in Semiconductors, Electronics in Crystalline Solids (A. Salam, ed.), pp. 531–618, IAEA, Vienna (1973).