@INPROCEEDINGS {SINGH:2000, title = {Breeding cowpea varieties with combined different strains of Striga gesnerioides}, author = {Singh, B. }, editor = {Haussmann, B. I. G. and Hess, D. E. * and Koyama, M. and Grivet, L. and Rattunde, H. and Geiger, H. }, booktitle = {Breeding for Striga resistance in cereals: proceedings of a workshop held at IITA, Ibadan, Nigeria, 16-20 August 1999. Weikersheim, Germany: Margraf Verlag}, year = {2000}, pages = {261--270}, }