Variation studies of non-marine pelecypods from the Upper Carboniferous of eastern North America.
Publisher: University Microfilms
Published: 1962
Place of publication: Ann Arbor
Language: eng
Number of pages: 181
Subjects: Bivalvia, Fossil.; Geology, Stratigraphic -- Carboniferous
Notes: Thesis - University of Illinois, 1957.

Bibliography: leaves 140-144.

Microfilm copy (positive) of typescript.