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Journal of agricultural research. v.6:no.1-13 (1916)

Parts

  1. Woolly pear aphis
    By: Baker, A C - Davidson, W M
    Type: Article
    In: Journal of agricultural research.
    Volume: 6
    Date: 1916
    Page Range: 351--360
    Publication info: Washington,U.S. Govt. Printing Office,1913-1949.
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