@ARTICLE {DIXON:1990b, title = {Mechanisms of resistance and their interactions in twelve sources of resistance to biotype E greenbug (Homoptera: Aphididae) in sorghum}, author = {Dixon, A. and Bramel-Cox, P. J. and Reese, J. C. and Harvey, T. L. }, journal = {Journal of Economic Entomology}, year = {1990}, volume = {83}, pages = {234--240}, }