1. Observations on the Stabilization of Zirconia;Weber;J. Am. Ceram. Soc.,1956
2. 2 B. C. Weber and M. A. Schwartz , “Zirconia: Its Crystallographic Polymorphy and High Temperature Potentials,” Air Research and Development Command, Wright-Patterson Air Force Base, Ohio, Report No. WADC-TR-58-646; ASTIA Document No. AD 206908;21 pp., July 1958.
3. 3 Eugene Ryshkewitch, Oxide Ceramics. Academic Press, Inc., New York, 1960.
4. Quantitative Evaluation of Thermal-Shock Resistance;Manson;Trans. ASME,1956
5. Factors Affecting Thermal Stress Resistance of Ceramic Materials;Kingery;J. Am. Ceram. Soc.,1955