Cushman, J. A.; Barksdale, J. D. (1930). Eocene Foraminifera from Martinez, California. Contributions from the Department of Geology of Stanford University. 1(2): 53-73.
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Cushman, J. A.; Barksdale, J. D.
1930
Eocene Foraminifera from Martinez, California.
Contributions from the Department of Geology of Stanford University