TY  - BOOK
T1  - Palynology and petrography of a Middle Devonian coal in Illinois
DA  - 1969.
CY  - Urbana,
AU  - Peppers, Russel A.
AU  - Damberger, H. H.,
VL  - 445
CN  - QE105
CN  - QE105
PB  - Illinois State Geological Survey,
PP  - Urbana,
PY  - 1969.
N1  - Cover title.
ID  - 54291
KW  - Palynology
KW  - Paleobotany
KW  - Coal
TI  - Palynology and petrography of a Middle Devonian coal in Illinois
ER  -