1. Gmelin Handbook of Inorganic Chemistry, 8th Edition, Springer-Verlag: Berlin, Silicon, Supplement Volumes B2, 1984, and B3, 1986.
2. Croft, W.J. in “Preparation and Properties of Solid-state Materials”, Vol. 7, Wilcox, W.R., ed.; Dekker: New York, 1982, Chapter 2.
3. As recently as 1975, the statement “Silicon nitride has no established use.” was applicable: Rochow, E.G., “The Chemistry of Silicon”, Pergamon Texts in Inorganic Chemistry, Volume 9, Pergamon: Oxford, 1975, p. 1417.
4. Wynne, K.J.; Rice, R.W. Ann. Rev. Mater. Sci. (1984) 14, 297.
5. Rice, R.W. Am. Ceram. Soc. Bull. (1983) 62, 889.