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  1. 1

    Abstracts of the III International Weed Science Congress.

    Published 2000
    Conference Proceeding Book
  2. 2

    Controlled-release technology : bioengineering aspects /

    Published 1983
    Book
  3. 3

    Pest control : biological, physical, and selected chemical methods /

    Published 1969
    Book
  4. 4
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