Giller, 2001. 2nd edition, Cabi Series, CABI Publishing series Document reference Giller, K. E., 2001. Nitrogen fixation in tropical cropping systems. 2nd edition, Cabi Series, CABI Publishing series Web http://books.google.fr/books?id=0eg5jf8MllECCitation key Giller, 2001Datasheets Calopo (Calopogonium mucunoides)
