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1975 Cooperative pilot control project of Dylox, Matacil, and Sumithion for spruce budworm control in Maine
United States. Forest Insect and Disease Management
出版[Department of Agriculture], Forest Service, Northeastern Area, State and Private Forestry, Forest Insect and Disease Management, 1976
URLhttp://books.google.com.hk/books?id=Wz_WozEOvKwC&hl=&source=gbs_api
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