TY  - BOOK
T1  - Conodonts from Middle Devonian strata of the Michigan basin,
DA  - 1971.
CY  - Bloomington, Ind.,
AU  - Orr, Robert William.
VL  - 45
CN  - QE109
CN  - QE109
CN  - QE899
PB  - Geological Survey,
PP  - Bloomington, Ind.,
PY  - 1971.
ID  - 64787
KW  - Conodonts.
KW  - Paleontology
KW  - Paleontology
TI  - Conodonts from Middle Devonian strata of the Michigan basin,
ER  -