@INPROCEEDINGS {RAWAL: 1975, title = {Cowpea breeding at IITA: an overview}, author = {Rawal, K. M. }, booktitle = {Proceedings of IITA Collaborators' Meeting on Grain Legume Improvement held at IITA on 9-13 June, 1975 edited by R. A. Luse and K. O. Rachie}, year = {1975}, month = {June}, pages = {6--10}, }