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Guide to the Study of Insects and a Treatise on Those Injurious and Beneficial to Crops
Alpheus Spring Packard
其他書名
For the Use of Colleges, Farm-schools, and Agriculturists
出版Trubner, 1870
URLhttp://books.google.com.hk/books?id=CClOAAAAcAAJ&hl=&source=gbs_api
EBookFULL_PUBLIC_DOMAIN