@INPROCEEDINGS {ASIEDU:2003a, title = {Yams in West Africa: production and collaborative research}, author = {Asiedu, R. }, booktitle = {Atelier national sur le developpement durable de la production et de la consommation de l'igname en Cote d'Ivoire. Abidjan, October 23-26. Association Ivoirienne des Sciences Agronomique (AISA)}, year = {2003}, number = {4}, pages = {173--176}, note = {RTB; Root and Tuber; Yam.; Agronomie Africaine, Numero special 4}, }