1. J. Am. Ceram. Soc.,1979
2. International Metals, Rev.;FF Lange,1980
3. D. R. Clarke, Densification of Silicon Nitride Alloys Using a Eutectic Liquid: An Experimental Test, in “Sintering -Processes,” G. C. Kuczynski, ed., Plenum Press, New York, N.Y. (1980).
4. G. R. Terwilliger and F. F. Lange, Hot-Pressing Behavior of Si3N4, J. Am. Ceram. Soc. 57:25 (1974).
5. L. K. V. Lou, T. E. Mitchell, and A. H. Hener, “Impurity Phases in Hot Pressed Si3N4, J. Am. Ceram. Soc., 61:392 (1978).