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  1. A preliminary report on the sugar-beet wireworm /
    By: Graf, J. E.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1914.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Diseases and pests  Sugar beet  Sugar-beet wireworm  
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  2. A preliminary report on the sugarbeet wireworm. By John E. Graf.
    By: Graf, J. E.
    Publication info: Washington,Govt. print. off.,1914.
    Contributed by: Library of Congress
    Subjects: Diseases and pests  Sugar beet  Sugar-beet wireworm  
    BHL Collections: Library of Congress
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