Silim, S N and Mergeai, G and Kimani, P M , eds. (2001) PIGEONPEA Status and Potential in Eastern and Southern Africa Proceedings of a Regional Workshop Nairobi, Kenya, 12-15 Sep 2000. International Crop Research Institute for Semi Arid Tropics , Patancheru, Andhra Pradesh, India. ISBN 92-9066-432-0