1. Hechtingsmechanismen van Adhesieven en Composieten;Arends;Belg. Tijdschr. Tandh.,1979
2. The relation between the fluoridation of water and dental caries experience;Backer-Dircks;Int. Dent J.,1963
3. The effect of contact time of acidulated phosphate fluoride on fluoride concentration in human enamel;Benediktsson;Arch. Oral Biol.,1982
4. Rheology of fluoride gels;Braden;J. Dent. Res.,1976
5. Zur Genauigkeit eines biometrischen Verfahrens zur Fissurenbestimmung;Braun;Dtsch. Stomat.,1973