References
- Pan , W. , Zhang , Q. , Bhalla , A. and Leslie Cross , E. 1989 . J. Amer. Ceram. Soc. , 72 : 571
- Berlincourt , D. 1966 . IEEE Trans. on Sonic and Ultrasonic , 4 : 116 Su-13
- Krainik , N. N. 1958 . Sov. Zh. Techn. Fiz. , 28 : 525
- Fesenko , O. E. and Smotrakov , V. G. 1976 . Ferroelectrics , 12 : 211
- Balyunis , L. E. and Fesenko , O. E. 1983 . Kristallografiya , 28 : 599