@BOOK {SINGH:1989, title = {Cowpea research at IITA}, author = {Singh, S. R. and Jackai, L. and Singh, B. and Ntare, B. R. and Rossel, H. W. and Thottappilly, G. and Ng, N. Q. and Hossain, M. A. and Cardwell, K. and Padulosi, S. and Myers, O. }, booktitle = {GLIP Research Monograph 1}, year = {1989}, publisher = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, note = {23p}, }