@ARTICLE {GEBREMESKEL:1987, title = {Cocoyam in Africa and the world trends of vital statistics, 1965-84}, author = {Gebremeskel, T. and Oyewole, B. }, journal = {IITA Socio-Economic Unit, Ibadan}, year = {1987}, number = {1965 - 1984}, pages = {54p.}, note = {RTB; Root and Tuber; Cocoyam}, }