TY  - BOOK
AU  - Grant ,William E.
AU  -  Pedersen ,Ellen K.
AU  - Marin ,Sandra L.
TI  - Ecology and Natural Resource Management : : Systems Analysis and Simulation 
SN  - 0471137863
U1  - 333.720113 
PY  - 1997///
CY  - New York : 
PB  - John wiley&Sons, 
KW  - Animal Species
KW  - Ecology
KW  - Economics
KW  - Plant Species
ER  -