1. Ten years of experience withcart pin restorations;Baum;Dent Clin North Am,1970
2. Self-shearing retentive pins: a laboratory evaluation of pin channel penetration before shearing;Barkmeier;J Am Dent Assoc,1979
3. A proposed retentive pin;Chan;J Prosthet Dent,1978
4. Pin related amalgam;Dawson;Dent Clin North Am,1970
5. A new self-threading pin;Mattos;J Prosthet Dent,1973