Immunity to animal parasites / Edited by E. J. L. Soulsby. Soulsby, E. J. L., ed. World Association for the Advancement of Veterinary Parasitology. Academia Nacional de Medicina de Mexico. Parasitic diseases Immunological aspects Congresses. Veterinary parasitology Immunological aspects Congresses. RC119 .I46 1972 591.29 SOI "Proceedings of the fifth international conference of the World Association for the Advancement of Veterinary Parasitology, held in Mexico City, August 1971, as a joint meeting with the Academie Nacionale de Medicina de Mexico." Includes bibliographical references and index. New York : Academic Press ; 1972. 1972. 1972 Text xiv, 425 p. : eng