TY  - BOOK
AU  - Bretsky, Peter William,
CN  - QH1 .Y3 no. 34
CN  - QH1
CY  - New Haven,
DA  - 1970.
ID  - 54473
KW  - Paleoecology.
KW  - Paleontology
KW  - Paleontology
LA  - eng
N1  - Summaries in German and Russian.
PB  - Peabody Museum of Natural History, Yale University,
PP  - New Haven,
PY  - 1970.
T1  - Upper Ordovician ecology of the central Appalachians.
TI  - Upper Ordovician ecology of the central Appalachians.
VL  - 34
ER  -