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Geochemical Evaluation and Characterization of a Pittsburgh No. 8 and a Rosebud Seam Coal

出版	Department of Energy, [Office of the Assistant Secretary for Intergovernmental and Institutional Relations], Technical Information Center, 1978
URL	http://books.google.com.hk/books?id=OUHXOs4gy20C&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN