Late Paleozoic bisaccate pollen from the Midcontinent area /
by Katherine Maude Marie Schaeffer.
APA Citation
Schaeffer, K. Maude Marie., Kosanke, R. M. (Robert Max)., University of Illinois at Urbana-Champaign. Department of Geology. (1960). Late Paleozoic bisaccate pollen from the Midcontinent area. .
MLA Citation
Schaeffer, Katherine Maude Marie, 1934-, Robert M. (Robert Max) Kosanke, and University of Illinois at Urbana-Champaign. Department of Geology. Late Paleozoic Bisaccate Pollen From the Midcontinent Area. , 1960.
Warning: These citations may not always be complete (especially for serials).