1. α′-Sialon ceramics
2. Mitomo, F. Izumi, Y. Bando and Y. Sekikawa, pp. 377–86 in Proc. 1st Intern. Symp. on Ceramic Component for Engine, Edited by S. Somiya, E. Kanai and K. Ando, KTK Scientific Publishers, Japan (1984).
3. Ishizawa, N. Ayuzawa, A. Shiranita, M. Takai, N. Utida and M. Mitomo, pp. 511–18 in Proc. 2nd Intern. Symp. on Ceramic Materials and Components for Engines, Edited by R. Carlsson, T. Johansson and L. Kahlman, D. Reidel Publishing Co., Germany (1986).
4. High Strength Si3N4 Ceramics