1. Hyde, A.R. (1989) GEC J. Res. 7, 65.
2. Korb, L.J., Morant, C.A., Calland, R.M. and Thatcher, C.S. (1981) Am. Ceram. Soc. Bull, 60, 1188.
3. Desnoyer, D. (1991) Mater. Tech. (Paris)
79, 57.
4. Bray, D.J. (1988) in Fabricating Composites,SAMPE, paper EM88–535.
5. Sheppard, L.M. (1990) Am. Ceram. Soc. Bull., 69, 667.