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Palynological Analyses of Upper Pennsylvanian Coal Beds and Adjacent Strata from the Proposed Pennsylvanian System Stratotype in West Virginia
其他書名
A Report on the Stratigraphic Distribution and Abundance of Upper Pennsylvanian Palynomorphs
出版U.S. Government Printing Office, 1988
URLhttp://books.google.com.hk/books?id=2DJhScqO3koC&hl=&source=gbs_api
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註釋See journals umder US Geological survey. Prof. paper 1486.