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Effects of Carbaryl, Trichlorfon, and DDT on Collapsing Douglas-fir Tussock Moth Populations in Oregon
Carroll B. Williams
George P. Markin
Patrick J. Shea
出版
Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station
, 1978
URL
http://books.google.com.hk/books?id=CQFxjZl2jCoC&hl=&source=gbs_api
EBook
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