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A Revision of the Ordovician Trilobite Asaphus Platycephalus
David G. Darby
其他書名
Submitted as Partial Fulfillment for the Master of Science Degree
出版University of Michigan, 1960
URLhttp://books.google.com.hk/books?id=BZJ6KAjo2l8C&hl=&source=gbs_api