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Stratigraphy of Middle Devonian and Older Palaeozoic Rocks of the Great Slave Lake Region, Northwest Territories

Arnold Willy NorrisDonald Gladstone CrosbyGeorge C. RileyH. W. Tipper

出版	Department of Mines and Technical Surveys, Canada, 1965
URL	http://books.google.com.hk/books?id=ZPUEimev-VoC&hl=&source=gbs_api