@ARTICLE {MULONGOY:1982b, title = {Cowpea nodulation and response to inoculation in West Africa}, author = {Mulongoy, K. and Ayanaba, A. and Asanuma, S. and Ranga Rao, V. }, journal = {Paper presented at 1st OAU/STRC Inter-African Conference on Bio-fertilizers,22-26 March 1982}, year = {1982}, }