TY  - BOOK
AU  - Loeb, Stanford L
AU  - Spacie, Anne
TI  - Biological monitoring of aquatic systems
SN  - 9780873719100
SN  - 93034962
U1  - 57526320287 LOE 
PY  - 1994///
CY  - Boca Raton, FL
PB  - Lewis Publishers
KW  - Freshwater ecology - Congresses
KW  - Indicators (Biology) - Congresses
KW  - Water quality biological assessment - Congresses
N1  - Papers presented at a symposium held Nov. 29 - Dec. 1, 1990, at Purdue University. Includes bibliographical references and index
ER  -