1. E. BREVAL, J. S. JENNINGS, S. KOMARNENI, N. H. MACMILLAN and E. P. LUNGHOFER,J. Mater. Sci. (1986), submitted.
2. A. KELLY and N. H. MACMILLAN, “Strong Solids”, 3rd Edn (Oxford University Press, Oxford, 1986) p. 119.
3. R. J. CHARLES and W. B. HILLIG, “Kinetics of Glass Failure by Stress Corrosion”, in Symposium on the Strength of Glass and Ways of Improving it (Symposium sur la Resistance Mecanique du Verre et les Moyens de l'Ameliorer), Union Scientifique Continentale du Verre, Secretariat, 24 rue Dourlet, Charleroi, Belgium (1962) pp. 511–27.
4. W. B. HILLIG and R. J. CHARLES, Surfaces, Stress-Dependent Surface Reactions, and Strength, in “High Strength Materials”, edited by V. F. Zackay (Wiley, New York, 1965) pp. 682–705.
5. S. M. WIEDERHORN, Mechanisms of Sub-Critical Crack Growth in Glass, in “Fracture Mechanics of Ceramics”, Vol. 4, edited by R. C. Bradt, D. P. H. Hasselman and F. F. Lange, (Plenum, New York, 1978) pp. 549–80.