The Geological Society of America

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Calcareous nannofossils and clastic sediments at the Cretaceous-Tertiary boundary, northeastern Mexico
Pospichal,James J.
Geology(1996),24(3):255
http://dx.doi.org/10.1130/0091-7613(1996)024<0255:CNACSA>2.3.CO;2

The Geological Society of America
The Geological Society of America
GeoScienceWorld
GeoScienceWorld