Prescott-Allen, Robert. What's wildlife worth? : economic contributions of wild plants an d animals to developing countries / Robert and Christine Prescott-Al len. - London : Earthscan, c1982. - 90 p. : ill. ; 21cm. Includes bibliographical references. ISBN: 0905347358 (pbk) Subjects--Topical Terms: Botany, Economic -- Developing countries. Zoology, Economic -- Developing countries. Natural resources -- Developing countries. Dewey Class. No.: 330.9172/4