1. Retention in the preparation of teeth for cast restorations;Willey;J Prosthet Dent,1976
2. Marginal fit of restorations and its relation to periodontal bone level. Part I. Metal Fillings;Bjorn;Odontol Revy,1969
3. Marginal fit of restorations and its relation to periodontal bone level. Part II. Crowns;Bjorn;Odontol Revy,1970
4. Marginal fit of gold inlay castings;Christensen;J Prosthet Dent,1966
5. Overhanging dental restorations and periodontal disease;Gilmore;J Periodontol,1971