TY  - BOOK
AU  - Loeb, Standford L. et.al. (ed.)
TI  - Biological Monitoring of Aquatic Systems
SN  - 0-87371-910-7
U1  - Cir. 574.52632 B521 c1994 
PY  - 1994///
CY  - USA
PB  - Lewis Publishers
ER  -