1. Kingery, W. D,; Bowen, H. K.; Ullman, D. R. “Introduction to Ceramics, ” 2nd ed,; Wiley: New York, 1976.
2. Economy, J. Angew. Chem., Int. Ed. EngL 1989, 28, 229.
3. “Materiate Science and Engineering for the 1990s: Maintaining Competitiveness in the Age of Materials”; National Academy of Sciences: Washington, D.C., 1990.
4. Hondros, E. D.; Bullock, E. Angew. Chem., Int. Ed. EngL 1989, 28, 1088
5. Robinson, A.L. Science 1986, 233, 25.