@INPROCEEDINGS {HEINRICHS:2000, title = {Contribution of multiple-pest resistance to tropical crop production}, author = {Heinrichs, E. and Adesina, A. }, editor = {Wiseman, W. and Webster, J. }, booktitle = {Economic, environmental, and social benefits of resistance in field crops}, year = {2000}, pages = {149--189}, publisher = {Thomas Say}, }