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By "Irwin, Bonnie Jean. "
A bibliography of the northern corn rootworm and the western corn rootworm : an updating through 1976 / Bonnie J. Irwin.
By: Irwin, Bonnie Jean.
Publication info: Urbana :State of Illinois, Dept. of Registration and Education, Natural History Survey Division,1977.
Contributed by: University of Illinois Urbana Champaign