1. P. W. McMillan, “Glass-Ceramics” (Academic Press, New York, 1979).
2. P. F. James, Phys. Chem. Glasses
15(4) (1974) 95.
3. E. G. Rowland and P. F. James, ibid.
20 (1979) 1.
4. Idem, ibid.
20 (1974) 9.
5. S. W. Freiman and L. L. Hench, J. Am. Ceram. Soc.
51 (1968) 382.