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Google圖書搜尋
Research Activities in the Mineral Industries of the United States
Arno Carl Fieldner
Alden Hayes Emery
出版
U.S. Department of Commerce, Bureau of Mines
, 1932
URL
http://books.google.com.hk/books?id=EvGHwDi5yRQC&hl=&source=gbs_api
