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Papers on Deciduous Fruit Insects and Insecticides

Francis Marion WebsterUnited States. Bureau of EntomologyWalter David HunterWilliam Bell ParkerJoseph Daniel MitchellWilliam Jeter PhillipsFrederick Charles Pratt

出版	U.S. Department of Agriculture, Bureau of Entomology, 1916
URL	http://books.google.com.hk/books?id=b0oiAQAAMAAJ&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN