1. S.L Swartz, Topics in Electronic Ceramics, IEEE Trans. Electrical Insulation 25 [5], 935 (1990)
2. R. Newnham, G.R. Ruschau, Smart Electroceramics, J. Am. Cer. Soc. 74 [3] 463 (1991)
3. A. Wolff, D. Cramer, H. Hellebrand, I. Probst, K. Lubitz, Optical Two Channel Elongation Measurement of PZT Piezoelectric Multilayer Stack Actuators, in: 9th IEEE, International Symposium on the Application of Ferroelectrics, R.K. Pandey, M. Liu, A. Safari, eds., 755 (1994)
4. A.J. Moulson, J.M. Herbert “Electroceramics,”Chapman and Hall, London, New York, Tokyo, Melbourne, Madras, 1990
5. G.A. Schneider, A. Rostek, B. Zickgraf, F. Aldinger, Crack Growth in Ferroelectric Ceramics under Mechanical and Electrical Loading, in: Electroceramics IV, Volume II, R. Waser et al., eds., Augustinus Buchhandlung, Aachen, 1211 (1994)