References
- Smolensky , G. A. 1984 . Ferroelectrics and Related Materials , 763 New York : Gordon and Breach Science Publishers .
- Lines , M. E. and Glass , A. M. 1977 . Principles and Applications of Ferroelectrics and Related Materials , 680 Oxford : Clarendon Press .
- Vakhrushev , S. B. , Kvyatkovsky , B. E. Malysheva , R. S. 1985 . Soviet Solid State Physics , 25 : 737 (in Russian)
- Vakhrushev , S. B. , Kvyatkovsky , B. E. Malysheva , R. S. 1987 . Bull. Acad. Sci. USSR, Capt. Phys. , 51 : 2142 (in Russian)
- Andrews , S. R. 1985 . J. Phys. C. , 18 : 1357