1. Pin reinforcement and retention of amalgam foundations and restorations;Markley;JADA,1958
2. Retention pins are friction-locked without the use of cement;Goldstein;JADA,1966
3. Pin retained amalgam;Going;JADA,1966
4. Pins and their relation to cavity resistance form for amalgam;Buikema;Quintessence Int,1985
5. Retention and resistance features for complex amalgam restorations;Robbins;JADA,1989