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Repellent Effects of Pineoil on the Sitka Spruce Weevil, Pissodes Strobi (Peck), and an Evaluation of Large Scale Aerial Photographs for Detecting Weevil Damage
出版University of British Columbia, 1987
URLhttp://books.google.com.hk/books?id=bKDboAEACAAJ&hl=&source=gbs_api