1. Hampshire, S. and Jack, K.H., The Kinetics of Densification and Phase Transformation of Nitrogen Ceramics. Special Ceramics 1, Proc. Brit. Ceram. Soc., 1981, 31, 37–49.
2. Gazza, G.E., Hot-Pressed Si3N4. J. Am. Ceram. Soc., 1973, 56[12], 662.
3. Weaver, G. Q. and Lucek, J. W., Optimization of Hot-Pressed Si3N4-Y2O3 Materials. Am. Ceram. Soc. Bull., 1978, 57[12], 1131–1136.
4. Quackenbush, C.L., Smith, J.T., Neil, J.T. and French, K.W., Sintering, Properties and Fabrication of Si3N4 + Y2O3 Based Ceramics. Progress in Nitrogen Ceramics, Martinus Nijhoff, The Hague, 1983, pp.669–682.
5. Giachello, A., Martinengo, P.C., Tommasini, G. and Popper, P., Sintering and Properties of Silicon Nitride Containing Y2O3 and MgO. Am. Ceram. Soc. Bull., 1980, 59[12], 1212–1215.