@INPROCEEDINGS {MULONGOY:1984b, title = {Management of the cowpea-Rhizobium symbiosis in tropical agriculture}, author = {Mulongoy, K. }, booktitle = {Presented at the First World Cowpea Research Conference, 4-9 November, IITA}, year = {1984}, publisher = {International Institute of Tropical Agriculture (IITA)}, location = {Ibadan, Nigeria}, }