1. McNeal, M.P., Jang, S.J., and Newham, R.E., J. Appl. Phys., 1998, vol. 83, p. 3298.
2. Li, X. and Shih, W.H., J. Am. Ceram. Soc., 1997, vol. 80, p. 2844.
3. Niepce, J.C., Electroceramics, 1994, vol. 4–7, p. 29.
4. Sigov, A.S. and Levanyuk, A.P., Izv. Akad. Nauk SSSR, Ser. Fiz., 1979, vol. 43, no. 8, p. 1562.
5. Nechaev, V.N. and Roshchupkin, A.M., Izv. Akad. Nauk SSSR, Ser. Fiz., 1989, vol. 53, no. 7, p. 1267.