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By "LeSar, Charles D. "
Soybean spiders : species composition, population densities and vertical distribution / by Charles D. LeSar and John D. Unzicker.
By: LeSar, Charles D. - Unzicker, John D.,
Publication info: Urbana :State of Illinois, Dept. of Registration and Education, Illinois Natural History Survey Division,1978.
Holding Institution: University Library, University of Illinois Urbana Champaign