TY  - BOOK
AU  - Ziglio G
AU  - Flaim G
AU  - Siligardi M 
TI  - Biological monitoring of rivers : Applications and perspectives 
SN  - 0470863765
U1  - 614.7 ZIG 
PY  - 2006///
PB  - John Wiley & Sons, Ltd, Chichester
ER  -