1. Electromechanical Properties of Lead Titanate Zirconate Ceramics Modified with Certain Three-or Five-Valent Additions
2. 4G. A. Pryor , "Impurity Effects in Sintering Lead Zirconate Titanate "; M.S. Thesis , University of California, Berkeley, 1968 ; Tech. Rept. UCRL-18191, 46 pp., May 1968.
3. 5R. B. Atkin, and R. M. Fulrath ; pp.185 -207 inInterfaces . Butterworth & Co. (Publishers) Ltd., Sydney, 1969 ; see also Tech. Rept. UCRL-18795.