TY  - BOOK
T1  - Trace fossil concepts /
DA  - 1978.
CY  - Oklahoma City :
AU  - Basan, Paul Bradley,
CN  - QE719
CN  - QE719
PB  - Society of Economic Paleontologists & Mineralogists,
PP  - Oklahoma City :
PY  - 1978.
ID  - 11933
KW  - Micropaleontology.
KW  - Footprints, Fossil.
TI  - Trace fossil concepts /
ER  -