1. More detailed information about phase transitions can be found in M. E. Stanley, Introduction to Phase Transitions and Critical Phenomena, Clarendon Press (1971)
2. F. Gauthier, ‘Introduction to the Study of Phase Transitions’ in Solids State Transformation in Metals and Alloys, Aussois 78, Editions de Physique (1980)
3. R. A. Cowley and A. D. Bruce, ‘Structural Phase Transitions’, in Adv. in Physics
29, 1 (1980)
4. N. Boccara, Symétries brisées, Hermann, Paris (1976).
5. Some general review articles and books on the Peierls transition are: G. A. Toombs, ‘Quasi-One-Dimensional Conductors’, Phys. Rep. C40, 181 (1978)