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Palynology, Petrography and Geochemistry of the Ardley Coal Zone at Wabamun, Alberta [microform]

Thomas D. (Thomas David) Demchuk

出版	Thesis (Ph.D.)--University of Calgary, 1992
ISBN	031579142X9780315791428
URL	http://books.google.com.hk/books?id=gR2eSgAACAAJ&hl=&source=gbs_api