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Field Life of Orthene, Sevin-4-oil, and Dylox 1.5 Bioassay with Douglas-fir Tussock Moth Larvae

出版	Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1978
URL	http://books.google.com.hk/books?id=uosXkc6HWJEC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN