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The problem of the Cretaceous-Tertiary boundary in South America and stratigraphic position of the San Jorge Formation in Patagonia
Windhausen, A.Volume:
s4-45
Journal:
American Journal of Science
DOI:
10.2475/ajs.s4-45.265.1
Date:
January, 1918
File:
PDF, 5.42 MB
1918