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Effects of Moisture on Float-and-sink Testing of Lignite
H. M. CooperE. C. TarpleyR. F. Abernethy
出版U.S. Department of the Interior, Bureau of Mines, 1947
URLhttp://books.google.com.hk/books?id=HCUiOLX0MboC&hl=&source=gbs_api
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