References
- Maior , MM. , Prits , I. P. and Vysochanskii , Yu. M. Ferroelerctrics , to be published.
- Gurzan , M. I. 1983 . Ph. D. thesis Uzhgorod State University .
- Luschejkin , G. A. 1990 . Polimer piezoelectrics , 176 Moscow : Chimija . (in Russian.)