@ARTICLE {AHMAD:1981, title = {Examining the potential for inoculant use with cowpeas in West African soils.}, author = {Ahmad, H. and Eaglesham, A. R. J. and Hassouna, S. and Seaman, B. and Ayanaba, A. and Mulongoy, N. and Pulver, E. L. }, journal = {Tropical Agriculture (Trinidad)}, year = {1981}, volume = {58}, pages = {325--335}, }