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  1. The pea aphid /
    By: Cartier, J. J. - Canada.
    Edition: [Rev.].
    Publication info: Ottawa :Canada Dept. of Agriculture,1968.
    Contributed by: Agriculture and Agri-Food Canada (
    Subjects: Pea aphid  
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  2. The pea aphid on alfalfa : how to control it /
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,[1964]
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Alfalfa  Control  Diseases and pests  Forage plants  Pea aphid  
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