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56 HVL 300
ARCHIBALD, J.David
Major extinctions of land-dwelling vertebrates at the Cretaceous-Tertiary boundary, eastern Montana : Comment and Reply / J.David Archibald, P.M.Sheehan, D.E.Fastovsky. -- Boulder : Geological Society of America, 199-. -- S.90-93,. -- In: Geology. -- The Geological society of America, 1993, vol.21. -- bibl.
eastern Montana - Cretaceous-Tertiary boundary - vertebrates
56
57427
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