@INPROCEEDINGS {SINGH:2005b,
title = {Improved cowpea-based cropping systems for sustainable increase in food production and income generation in West Africa},
author = {Singh, B. and Ezeaku, I. and Mohammed, I. B. },
booktitle = {The 4th World Cowpea Conference, April 17-22, Durban, South Africa},
year = {2005},
publisher = {N/A},
}