@ARTICLE {FRANKE:2004,
title = {Incorporating short-season legumes and green manure crops into maize-based systems in the moist Guinea savanna of West Africa},
author = {Franke, A. and Schulz, S. and Oyewole, B. and Bako, S. },
journal = {Experimental Agriculture},
year = {2004},
volume = {40},
pages = {463--479},
}