1. Changes in periodontal tissues and supporting structures connected with partial dentures;Koivumaa;Suom Hammaslääk Toim,1956
2. The cobalt-chromium partial denture;Anderson,1959
3. Cobalt-chromium partial dentures;Tomlin,1961
4. Studies in partial dental prosthesis. IV: Final results of a 4-year longitudinal investigation of dentogingivalty supported partial dentures;Carlsson;Acta Odontol Scand,1965
5. Dental health in relation to age and dental care;Björn;Odont Revy,1974