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Google圖書搜尋
Interregional Competition in Agriculture. With Special Reference to Dairy Farming in the Lake States and New England, Etc
Ronald Lester MIGHELL (and BLACK (John Donald))
出版
Harvard University Press
, 1951
URL
http://books.google.com.hk/books?id=VVwLMwEACAAJ&hl=&source=gbs_api