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Avalon 1997, the Cambrian Standard

Ed LandingS. R. Westrop

出版	University of the State of New York, State Education Department, 1998
主題	Nature / FossilsScience / Earth Sciences / Sedimentology & Stratigraphy
ISBN	155557209X9781555572099
URL	http://books.google.com.hk/books?id=C70sAQAAMAAJ&hl=&source=gbs_api