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  1. Insecticidal mycotoxins produced by Aspergillus flavus var. columnaris /
    By: Beard, Raimon L. - Walton, Gerald S.
    Publication info: New Haven :Connecticut Agricultural Experiment Station,1971.
    Contributed by: University of Connecticut Libraries (archive.org)
    Subjects: Mycotoxins  Natural pesticides  
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  2. Research on controlling insects without conventional insecticides.
    By: United States.
    Publication info: [Washington, D.C.] :Agricultural Research Service, United States Department of Agriculture,1963.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Biological control  Insect pests  Natural pesticides  
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