1. R. H. DOREMUS, ?Glass Science? (Wiley Interscience, New York, 1973).
2. C. R. DAS and R. W. DOUGLAS,Phys. Chem. Glasses 8 (1967) 178.
3. M. A. RANA and R. W. DOUGLAS, ibid.2 (1961) 179.
4. D. E. CLARKE, C. G. PANTANO and L. L. HENCH, ?Glass Corrosion? (Book for Industry Inc, New York, 1979).
5. B. E. RAMACHANDRAN, B. C. PAI and N. BALASUBRAMANIAN,J. Amer. Ceram. Soc. 63 (1980) 1.