Showing 1 - 2 results of 2 for search 'Jeppson, L. R.', query time: 0.01s Refine Results
  1. 1

    Mites injurious to economic plants by Jeppson, L. R.

    Published 1975
    Book

    Mites injurious to economic plants
  2. 2

    Modern insecticides and world food production by Gunther, Francis A.

    Published 1960
    Book

    Modern insecticides and world food production

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