Rijksen, H. D Our vanishing relative : the status of wild orang-utans at the close of the twentieth century H. D. Rijksen, E. Meijaard - 1st ed - Dordrecht ; Boston Kluwer Academic Publishers 1999 - 480 p. : ill., maps ; 25 cm Includes bibliographical references and index ISBN: 9780792357544 ISSN: 99027055 Subjects--Topical Terms: Endangered speciesOrangutan Dewey Class. No.: 599.883 RIJ