1. Pin reinforcement and retention of amalgam foundations and restorations;Markley;JADA,1958
2. Retention of dental amalgam by stainless steel pins;Enoch,1963
3. Pin retention amalgam restorations;Wing;Aust. Dent J.,1965
4. Going, R. E., and Greener, E. H. The reinforced amalgam. Unpublished data.