Maple, Terry Orang-utan behavior / Terry L. Maple - New York : V.N. Reinhold Co., 1980 - xii, 268p., [4]p. of plates : ill.(some col.) ; 24cm - Van Nostrand Reinhold primate behavior and development series . Bibliography: p.249-259 Subjects--Topical Terms: Orangutan--BehaviourMammals--Behaviour Dewey Class. No.: 599.884 MAP