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Google圖書搜尋
United States Agricultural Production Under Limited Energy Supplies, High Energy Prices, and Expanding Agricultural Exports
Dan Dvoskin
Earl Orel Heady
出版
Center for Agricultural and Rural Development, Iowa State University
, 1976
URL
http://books.google.com.hk/books?id=4ggYAQAAMAAJ&hl=&source=gbs_api