1. Hot-Pressed (Pb,La)-(Zr,Ti)O3 Ferroelectric Ceramics for Electrooptic Applications;Haertling;J. Amer. Ceram. Soc.,1971
2. Improved Hot-Pressed Electrooptic Ceramics in the (Pb,La)(Zr,Ti)O3 System;Haertling;ibid.
3. Electrical Properties of Hot-Pressed Ferroelectric Ceramics;Okazaki;J. Phys. Soc. Jap.,1970
4. Space Charge Polarization and Aging of Barium Titanate Ceramics;Okazaki;ETJ Jap.,1962