@ARTICLE {MERKEL:2000, title = {Characterization of a collection of Aeschynomene histrix in subhumid Nigeria}, author = {Merkel, U. and Peters, M. and Tarawali, S. and Schultze-Kraft, R. and Berner, D. K. }, journal = {Journal of Agricultural Science}, year = {2000}, volume = {134}, pages = {293--304}, }