References
- Wersing , W. , Lubitz , K. and Mohaupt , J. 1986 . Ferroelectrics , 68 : 77
- Lopatin , S. S. and Lupeyko , T. G. 1991 . Izv. AN SSSR. Neorgan. materialy , 27 : 1948 (in Russian).
- Ikeda , T. 1990 . Fundamentals of Piezoelectricity , Oxford : Oxford University Press .
- Khoroshun , L. P. , Maslov , B. P. and Leshchenko , P. V. 1989 . Prediction of the Effective Properties of Piezoelectric Composite Materials , Kiev : Nauk. Dumka . in Russian