Sangaré, M and Fernandez-Rivera, S and Hiernaux, P and Bationo, A and Pandey, V (2002) Influence of dry season supplementation for cattle on soil fertility and millet (Pennisetum glaucum L.) yield in a mixed crop/livestock production system of the Sahel. Nutrient Cycling in Agroecosystems, 62 (3). pp. 209-217. ISSN 1573-0867