@UNPUBLISHED {IITA:2004d, title = {Semences et Materiel de Plantation en Afrique Occidentale}, author = {IITA, }, year = {2004}, month = {September}, note = {Bulletin du reseau sur les semences en Afrique occidentale (WASNET). ISSN: 1595-2312. No. 13, September 2004. 39p.}, }