@BOOK {WEBER:1995a, title = {Striga hermonthica in cropping systems of the Northern Guinea Savanna: RCMP Research monograph, No. 19}, author = {Weber, G. and Elemo, K. A. * and Award, A. and Lagoke, S. T. O. * and Oikeh, S. }, series = {RCMP Research monograph, No. 19}, year = {1995}, publisher = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, }