1. P. W. MCMILLAN, “Glass-Ceramics”, 2nd Edn (Academic Press, London, 1979).
2. P. F. JAMES, in “Glasses and Glass Ceramics”, edited by M. H. LEWIS (Chapman and Hall, London, 1989) pp. 59–105.
3. P. F. JAMES and R. W. JONES, in “High Performance Glasses”, edited by M. CABLE and J. M. PARKER, (Blackie, Glasgow, 1992) p. 102–32.
4. J. A. WILDER, Jr, J. T. HEALEY and B. C. BUNKER, in “Advances in Ceramics”, Vol. 4, edited by J. H. SIMMONS, D. R. UHLMANN and G. H. BEALL (American Ceramic Society, Columbus, OH, 1982), pp. 313–33.
5. P. F. JAMES, Brit. Pat. GB 2199028 (1986).