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56 HVL 265/94
AMSDEN, Thomas W.
Early Devonian Brachiopods of Oklahoma / Thomas W.Amsden and William P.S.Ventress. -- Norman : University of Oklahoma, 1963. -- 238s., : obr. -- In: Bulletin. -- Oklahoma Geological Survey, 1963, 94. -- bibl.
Brachiopoda - Early Devonian - Oklahoma
56
59146
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