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Upper Ordovician-Lower Silurian Geology of the Manitoulin Area, Ontario (Caradoc-Llandovery)

Paul Copper

出版	GAC Publications, Department of Earth Science, Memorial University of Newfoundland, 1993
URL	http://books.google.com.hk/books?id=2m1OAQAAIAAJ&hl=&source=gbs_api