TY  - BOOK
AU  - Ager,Derek V., x
AU  - x
TI  - Principles of paleoecology: An intro. to the study of how and  where animals and plants live in past
SN  - x
U1  - 591.4/AGP 
PY  - 1963///
CY  - N.Y.
PB  - McGraw - Hill
KW  - x
N1  - x
ER  -