1. Quality Evaluation of Dental Restorations,1989
2. Six years' experience with glass-ionomer-silver cermet cement;Croll;Quintessence Int.,1991
3. Criteria for the Clinical Evaluation of Dental Restorative Materials;Cvar,1971
4. Variation among dentists in planning treatment;Elderton;Br. Dent. J.,1983
5. Vergleichende Langzeituntersuchung über die Füllungsmaterialien Ketac-Fil and Amalgam im Milchzähnen;Engelsmann;Dtsch. Zahnärztl. Z.,1988