@ARTICLE {DIXON:1990a, title = {Feeding behaviour of biotype E greenbug (Homoptera: Aphididae) and its relationship to resistance in sorghum}, author = {Dixon, A. and Bramel-Cox, P. J. and Reese, J. C. }, journal = {Journal of Economic Entomology}, year = {1990}, volume = {83}, pages = {241--246}, }