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On the Occurrence of Dadoxylon Sp. in the Upper Devonian Büdesheimer Goniatiten - Schiefer, Near Büdesheimer, Eifel

Michael H. P. RilettPeter Taylor

出版	1952
URL	http://books.google.com.hk/books?id=DgIxjwEACAAJ&hl=&source=gbs_api