@INBOOK {CARSKY:2002, title = {Cowpea rotation as a resource management technology for cereal-based systems in the savannas of West Africa}, author = {Carsky, R. and Vanlauwe, B. and Lyasse, O. }, editor = {Fatokun, C. and Tarawali, S. and Singh, B. and Kormawa, P. and Tamo, M. }, year = {2002}, type = {Challenges and opportunities for enhancing sustainable cowpea production: proceedings of the World Cowpea Conference III held at the International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria. 4-8 September, 2000}, pages = {252--266}, publisher = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria.}, }