Tapping the green market : Certification and management of non-ti mber forest products / edited by Patricia Shanley ... [et al.]. - London : Earthscan, 2002. - xviii, 456 p. : ill. ; 25 cm. - People and plants conservation series . Includes bibliographical references (p. 407-439). ISBN: 1853838713 (hardback) 1853838101 (pbk.) Subjects--Topical Terms: Non-timber forest products-- Certification.