Astiz, C. A. (1970). Manuel A. Machado, Jr. Aftosa : a historical survey of foot-and mouth disease and inter-american relations. Nueva York : State university of New York Press, Albany, 1969. Foro Internacional, 10(4), 456–458. Recuperado a partir de https://forointernacional.colmex.mx/index.php/fi/article/view/494