1. Fundamentals of Inorganic Glasses;Varshneya,1994
2. Handbook of Glass Properties;Bansal,1986
3. Strength and strengthening of glass: Part one - strength of glass;Ernsberger;Glass Ind.,1966
4. Strengthening glass by ion exchange;Garfinkel;Glass Ind.,1969
5. Strengthening glass and glass-ceramics;Shoemaker;Glass Ind.,1969