Joint WHO IABS Symposium on the Standardization of Rabies Vaccines for Human Use Produced in Tissue Culture : (Rabies III) ; proceedings of the 52. symposium organized by the World Health Organization and the Internat. Assoc. of Biolog. Standardization and held at the Auditorium of Behringwerke AG, Marburg. Lahn, West Germany, 21 - 23 November 1977 / acting ed. W. Hennessen and R. H. Regamey / Dev