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Effects of Aerial Applications of Esfenvalerate to Suppress Douglas-fir Cone Gall Midge and Seed Chalcid Damage in Maturing Seed Orchards

Roger E. Sandquist

出版	2004
URL	http://books.google.com.hk/books?id=5aLmPgAACAAJ&hl=&source=gbs_api