TY  - BOOK
AU  - Hecker, R.F.
TI  - Introduction to Paleoecology
U1  - 560.45 
PY  - 1965///
CY  - New York
PB  - American Elsevier Publishing Company
KW  - Paleontology/ Paleozoology
KW  - Pure Sciences
KW  - Paleoecology
ER  -