Dutfield, Graham. Intellectual property rights, trade, and biodiversity : seeds and plant varieties / Graham Dutfield. - London : IUCN, World Conservation Union : Earthscan Publications, 2000. - xvi, 238 p. ; 24 cm. Includes bibliographical references (p. [219]-231) ISBN: 1853836923 : GBP 35.00 Subjects--Topical Terms: Germplasm resources, Plant.Intellectual property. LC Class. No.: SB123.3 / .D88