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  1. 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.
    Holding Institution: University Library, University of Illinois Urbana Champaign
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