Primate communication / edited by Charles T. Snowdon, Charles H. Brown, and Michael R. Peterson. - Cambridge : Cambridge University Press, 1982. - xx, 444 p. : ill. ; 24 cm. Papers presented at a symposium held July 5-6, 1980 in Parma, Italy Includes bibliographies and indexes. Subjects--Topical Terms: Primates--Congresses.Animal communication--Congresses.