Browne, R. G.; Pohl, E. R. (1973). Stratigraphy and genera of calcareous foraminifera of the Fraileys facies (Mississippian) of central Kentucky. Bulletins of American Paleontology. 64: 169-244.
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Browne, R. G.; Pohl, E. R.
1973
Stratigraphy and genera of calcareous foraminifera of the Fraileys facies (Mississippian) of central Kentucky