Wood, G. A. R. Cocoa / G.A.R. Wood - 3rd ed. - London : Longman, 1975 - xii, 292 p. : ill. ; 23 cm. - Tropical agricultural series . Previous ed.: / by D.H. Urquhart. London : Longmans, Green, 1961 ISBN: 0582466679 Subjects--Topical Terms: Cocoa