Ayensu, Edward S. Commercial timbers of West Africa / Edward S. Ayensu and Albert Bentum. - Washington : Smithsonian Institution Press, 1974. - iv, 69 p. : ill. ; 26 cm. - Smithsonian contributions to botany ; no. 14 . Bibliography: p. 64 LCCN: 7312959 Subjects--Topical Terms: Timber--Africa, West.Trees--Africa, West.Wood--Africa, West.