International Symposium on Foot-and-Mouth Disease Variants and Immunity, Lyons and Marcy-l'Etoile 1967

• Proceedings of the 19th symposium organized by the Permanent Section of Microbiological Standardization and held at the Institut Français de la Fièvre Aphteuse, Lyon and at the Institut Mérieux, Marcy-l'Etoile, July 13-14, 1967