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Circular - Cooperative Extension Service, University of Georgia College of Agriculture

Georgia State College of Agriculture. Extension DivisionUniversity of Georgia. Agricultural Extension ServiceUniversity of Georgia. Cooperative Extension Service

出版	Agricultural Extension Service, University of Georgia College of Agriculture, 1917
URL	http://books.google.com.hk/books?id=OJxRAQAAMAAJ&hl=&source=gbs_api