Advances in fluorine research and dental caries prevention : proceedings of the 11th Congress of the European Organization for Research on Fluorine and Dental Caries Prevention, Sandefjord, Norway 7th-9th July, 1964. Volume 3 / edited for ORCA by J.L. Hardwick, Hans R. Held, Klaus G. König.
European Organization for Research on Fluorine and Dental Caries Prevention. Congress 1964 : Sandefjord, Sweden) | Date: 1965