Cushman, J. A. (1939). Eocene foraminifera from submarine cores off the eastern coast of North America. Contributions from the Cushman laboratory for foraminiferal research. 15(3): 49-76.
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Cushman, J. A.
1939
Eocene foraminifera from submarine cores off the eastern coast of North America.
Contributions from the Cushman laboratory for foraminiferal research