References
- Cowley , R. A. , Ryan , T. W. and Courtens , E. 1986 . Z. Phys. B , 65 : 181
- Blinc , R. , Dolinsek , J. , Schmidt , V. H. and Ailion , D. C. 1988 . Europhys. Lett. , 6 : 55
- Matsuchita , E. and Matsubara , T. 1984 . Prog. Teor. Phys. , 71 : 235
- Krivoglaz , M. A. 1967 . Theory of X-ray and thermal neutron scattering by the real crystals , 56 – 100 . Moscow : Nauka . Chap 2
- Courtens , E. and Vogt , H. 1985 . J. Chim. Phys. , 82 : 317
- Vaks , V. G. 1973 . Introduction to microscopic theory of ferroelectrics , 120 – 151 . Moscow : Nauka . Chap. 5
- Trybula , Z. , Schmidt , V. H. and Drumheller , J. E. 1991 . Phys. Rev. B , 43 : 1287
- Terauchi , H. 1985 . Ferroelectrics , 64 : 87
- Courtens , E. 1987 . Ferroelectrics , 72 : 229