@PROCEEDINGS {TARAWALI:1997b, title = {Optimizing the contribution of cowpea to food and fodder production in crop-livestock systems in West Africa}, author = {Tarawali, S. and Singh, B. and Fernandez-Rivera, S. and Peters, M. and Smith, J. W. and Schultze-Kraft, R. and Ajeigbe, H. }, booktitle = {XVIII International Grassland Congress, 8-19 June, 1997, Winnipeg and Saskatoon, Canada}, year = {1997}, organization = {International Grassland Congress}, address = {Calgary, Alberta, Canada}, note = {19-53-19-54}, }