1. 1) Chantrell, P. G. and Popper, P., “Special Ceramics,” Ed. by Popper, P., Academic Press, New York (1964) pp. 87-103.
2. 2) Verbeek, W., Production of Shaped Articles of Homogeneous Mixtures of Silicon Carbide and Nitride, Ger. Offen. 2218960 (1973).
3. 3) Yajima, S., Hayashi, J. and Omori, M., Chem. Lett., No. 9, pp. 931-934 (1975).
4. 4) Legrow, G. E., Lim, T. F., Lipowitz, J. and Reaoch, R. S., Am. Ceram. Soc. Bull., Vol. 66, pp. 363-367 (1987).
5. 5) Okamura, K., Sato, M., Hasegawa, Y. and Amano, T., Chem. Lett., No. 12, pp. 2059-2060 (1984).