返回Google圖書搜尋

A Preliminary Analysis of Season Extension and the Duluth-Superior Economy

其他書名	By C. Ford Runge and Jerry E. Fruin
出版	Department of Agricultural and Applied Economics, University of Minnesota, 1986
URL	http://books.google.com.hk/books?id=rtFBHQAACAAJ&hl=&source=gbs_api