1. Strengthening of silicate glasses by ion exchange;Hale;Nature,1968
2. Ion Exchange strengthening of glass fibers II;Cooper;J Am Ceram Soc,1969
3. Stress build up by ion exchange in glass;Schaeffer;Glastech Berichte,1974
4. Ion exchange for glass strengthening;Gy;Mater Sci Eng, B,2008
5. The technology of chemical glass strengthening - a review;Karlsson;Glass Technol Eur J Glass Sci and Technol,2010