Toxins : animal, plant, and microbial : proceedings of the Fifth International Symposium on Animal, Plant, and Microbial Toxins, held in San Jose, Costa Rica, in August 1976 / ed. by Philip Rosenberg. Toxicon. International Symposium on Animal, Plant, and Microbial Toxins, 5th, San Jose, Costa Rica, 1976. Rosenberg, Philip, 1931- Universidad de Costa Rica. International Society on Toxinology. Toxins Congresses. QP631 .I57 1976 615.373 ROT "Sponsored by the International Society on Toxinology and the University of Costa Rica." "Published as Supplement no. 1, 1978 to Toxicon." Includes bibliographies and indexes. Oxford ; Pergamon Press, 1978. 1978. 1978 Text xxix, 1134 p. : eng