TY  - BOOK
ED  - National Research Council (U.S.).
ED  - National Research Council (U.S.).
TI  - Ecological indicators for the nation
SN  - 0309068452
AV  - QH541 E17 2000
PY  - 2000///
CY  - Washington, D.C.
PB  - National Academy Press
KW  - Indicators (Biology)
KW  - Environmental monitoring
N1  - HKBU library; YT2025 M09
ER  -