1. New American Dental Association specification no. 27 for direct filling resins;Council on Dental Materials and Devices;JADA,1977
2. Observations on a composite resin for Class II restorations: two-year report;Phillips;J Prosthet Dent,1972
3. One-year and two-year clinical evaluation of a composite resin vs amalgam;Osborn;J Prosthet Dent,1973
4. Clinical comparison of composite, amalgam, and silicate restorations;Eames;JADA,1974
5. Clinical evaluation of composite resins as anterior and posterior restorative materials;Leinfelder;J Prosthet Dent,1975