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Documentation of Data Format and Content to Accompany Magnetic Tape Copies of Various Data Files of the National Coal Resources Data System
M. Devereux CarterAntoinette L. MedlinKathleen K. Krohn
其他書名
(NCRDS)--ECOAL, WCOAL, NEWCOAL, BMALYT, and USCHEM
出版U.S. Geological Survey, 1981
URLhttp://books.google.com.hk/books?id=ZDvFSgAACAAJ&hl=&source=gbs_api