@INBOOK {SMITH:1997b, title = {Fostering sustainable increases in maize productivity in Nigeria}, author = {Smith, J. and Weber, G. and Manyong, V. and Fakorede, M. }, editor = {Byerlee, D. and Eicher, C. K. }, year = {1997}, type = {Africa's emerging maize revolution}, pages = {107--124}, publisher = {Lynne Rienner Publishers}, address = {Boulder, CO, USA}, }