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Google圖書搜尋
An Analysis of Canadian Rail Movements to the United States Using the 1992 Public Use Waybill Sample
Jerry Fruin
Daniel W. Halbach
出版
Department of Agricultural and Applied Economics, University of Minnesota
, 1994
URL
http://books.google.com.hk/books?id=CadMAQAAMAAJ&hl=&source=gbs_api