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Reports of Observations and Experiments in the Practical Work of the Division
Charles Richards DodgeCharles Valentine RileyLeland Ossian HowardSamuel Henshaw
出版U.S. Department of Agriculture, Division of Entomology, 1886
URLhttp://books.google.com.hk/books?id=bUtCAQAAMAAJ&hl=&source=gbs_api
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