1. Pressureless sintering of Si3N4
2. Thermal Decomposition of S1-AI-0-N Ceramics
3. 3S. Prochazka, C. Greskovich, S. Somiya, and S. Saito ; pp.489 -502 inProceedings of the International Symposium on Factors in Densification and Sintering of Oxide and Nonoxide Ceramics . Gakujutsu Sunken, Fukyu-kai, Tokyo, Japan, 1978 .
4. 5M. Mitomo , "The Sintering of Si3N4Under High Nitrogen Pressures"; pp.539 -544 in Ref. 3.