References
- Narasimhamurty , T. S. 1981 . Photoelastic and Electrooptic Properties of Crystals , New York : Plenum Press .
- Lines , M. E. and Glass , A. M. 1977 . Principles and Applications of Ferroelectrics and Related Materials , Oxford : Clarendon Press .
- Günter , P. , ed. 1987 . Electrooptic and Photorefractive Materials , Berlin, Heidelberg : Springer Verlag .
- Kleinmann , D. A. 1962 . Phys. Rev. , 126 : 1977