TY  - BOOK
N2  - An explanation for the stratigraphic zonation of the fossils and a report on a newly discovered occurrence of the Foertia zone in western Ohio.
AB  - An explanation for the stratigraphic zonation of the fossils and a report on a newly discovered occurrence of the Foertia zone in western Ohio.
T1  - The Foerstia zone of the Ohio and Chattanooga shales,
DA  - 1970.
CY  - Washington,
AU  - Schopf, James M.
AU  - Schwietering, J. F.
VL  - 1294-H
CN  - QE75
CN  - QE75
PB  - U.S. Govt. Print. Off.,
PP  - Washington,
PY  - 1970.
ID  - 229364
KW  - Foerstia.
KW  - Paleobotany
KW  - Plants, Fossil
TI  - The Foerstia zone of the Ohio and Chattanooga shales,
ER  -