Advances in fluorine research and dental caries prevention : proceedings of the 12th Congress of the European Organization for Research on Fluorine and Dental Caries Prevention, Utrecht, the Netherlands, 9th-11th June 1965. Volume 4 / edited for ORCA by P.M.C. James, Klaus G. König, Hans R. Held.
European Organization for Research on Fluorine and Dental Caries Prevention. Congress 1965 : Utrecht, Netherlands) | Date: 1966