Newell, N. D., and R. P. Keroher, 1937, The fusulinid, Wedekindellina, in mid-Pennsylvanian rocks of Kansas and Missouri, Journal of Paleontology, 11, no. 8, pp. 698-705
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Newell, N. D.; Keroher, R. P.
1937
The fusulinid, Wedekindellina, in mid-Pennsylvanian rocks of Kansas and Missouri