Showing 1 - 5 results of 5 for search 'Lewis, Franklin B.', query time: 0.04s Refine Results
  1. 1
    Field and laboratory investigations of Bacillus thuringiensis as a control agent for gypsy moth Porthetria dispar (L.)

    Field and laboratory investigations of Bacillus thuringiensis as a control agent for gypsy moth Porthetria dispar (L.) by Lewis, Franklin B.

    Upper Darby, Pa. : Northeastern Forest Experiment Station, 1966
    Format: Book


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  2. 2
    Guidelines for the use of GYPCHEK to control the gypsy moth

    Guidelines for the use of GYPCHEK to control the gypsy moth by Lewis, Franklin B.

    Broomall, Pa. : Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1979
    Format: Government Document Book


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  3. 3
    A spray tower for the application of microbial aerial sprays

    A spray tower for the application of microbial aerial sprays by Hubbard, Harry B.

    Upper Darby, Pa. : Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1973
    Other Authors: “…Lewis, Franklin B.…”
    Format: Government Document Book


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  4. 4
    Observations on the use of GYPCHEK

    Observations on the use of GYPCHEK

    Broomall, Pa. : Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1979
    Other Authors: “…Lewis, Franklin B.…”
    Format: Government Document Book


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  5. 5
    Spruce budworm core B.t. test, 1980 : combined summary

    Spruce budworm core B.t. test, 1980 : combined summary by Walton, Gerald S.

    Broomall, Pa. : The Station, 1982
    Other Authors: “…Lewis, Franklin B.…”
    Format: Government Document Book


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