Tobita, S and Shinjo, H and Hayashi, K and Matsunaga, R and et al, . (2011) Identification of plant genetic resources with high potential contribution to soil fertility enhancement in the Sahel, with special interest in fallow vegetation. In: Innovations as Key to the Green Revolution in Africa. Exploring the Scientific Facts . Springer, Netherlands, pp. 701-706. ISBN 978-90-481-2541-8