Bartley, B. G. D. (Basil G. D.) The genetic diversity of cacao and its utilization / B. G. D. Bartley. - Cambridge, Mass. : CABI Pub., c2005. - xiii, 341 p. : col. ill., maps ; 25 cm. Includes bibliographical references (p. 329-335). ISBN: 0851996191 (alk. paper) Subjects--Topical Terms: Cacao--Germplasm resources.Cacao--Utilization.