TY  - BOOK
AU  - Loeb, Stanford L
TI  - Biological monitoring of aquatic systems
SN  - 9780873719100
U1  - 57526320287 LOE 
PY  - 1994///
CY  - Boca Raton, FL
PB  - Lewis Publishers
KW  - Freshwater ecology - Congresses
ER  -