@ARTICLE {BOTTENBERG:1992, title = {Canopy structure in soybean monocultures and soybean-sorghum mixtures: impact on aphid (Homoptera: Aphididae) landing rates}, author = {Bottenberg, H. and Irwin, E. M. }, journal = {Environmental Entomology}, year = {1992}, volume = {21}, number = {3}, pages = {542--548}, }