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 (Agriculture handbook ; no. 633)
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