Cushman, J. A.; Bermúdez , P. J. (1949). Some Cuban species of Globorotalia. Contributions from the Cushman laboratory for foraminiferal research. 25(2): 26-45.
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Cushman, J. A.; Bermúdez , P. J.
1949
Some Cuban species of Globorotalia
Contributions from the Cushman laboratory for foraminiferal research
