Pesticide background statements.
Volume I,
Herbicides (supplement) /
J.F. Sassaman, M.M. Jacobs ; prepared for the U.S. Department of Agriculture, Forest Service, Forest Pest Management ... under contract no. 53-3187-4-43.

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Item Link Original Source
Full view   University of Virginia
Full view   no.633 SUP.(1986) University of Illinois at Urbana-Champaign