1. Preparations for cast gold restorations;Shillingburg,1974
2. Determining adequate crown convergence;Weed;Oral Health,1988
3. Retention in the preparation of teeth for cast restorations;Willey;J Prosthet Dent,1976
4. The effect of axial grooves on the resistance form of cast restorations;Woolsey;JADA,1978
5. Factors influencing the retention of cemented gold castings;Kaufman;J Prosthet Dent,1961