1. Pin reinforcement and retention of amalgam foundations and restorations;Markley;J.A.D.A.,1958
2. Courtade, G. L.: Creating your own "dentin." Dent. Clin. N. Amer., Nov., 1963, pp. 805-822.
3. Pins --- A comparison of their retentive properties;Moffa;J.A.D.A.,1969
4. Retentive properties of pin materials in pin-retained silver amalgam restorations;Dilts;J.A.D.A.,1968
5. Pin pointers III-Self-threading pins;Courtade;J. Pros. Dent.,1968