High differentiation among populations of the woody legume Sesbania sesban in sub-Saharan Africa: Implications for conservation and cultivation during germplasm introduction into agroforestry systems - Jamnadass, Ramni H.; Hanson, Jean; Poole, Elizabeth J.; Hanotte, Olivier H.; Simons, T.J.; Dawson, Ian K. (Elsevier, 2005)