@BOOK {WEBER:1995, title = {Nematodes as production constraints cereal-based cropping systems of the Northern Guinea Savanna: RCMP Research monograph, No. 17}, author = {Weber, G. and Chindo, P. S. * and Elemo, K. A. * and Oikeh, S. }, series = {RCMP Research monograph, No. 17}, year = {1995}, publisher = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, note = {36p.}, }