TY  - BOOK
AU  - Van Dyne, George M.
TI  - Ecosystem concept in natural resource management
SN  - 0127134506
U1  - 577 21st ed.
PY  - 1969///
CY  - New York
PB  - Academic Press
KW  - Conference
KW  - Ecosystem
KW  - Modelling
KW  - Natural resource management
KW  - Research
ER  -