TY  - BOOK
AU  - Mason Christopher F
TI  - Biology of freshwater pollution
SN  - 0-13-090639-5
U1  - 628.16809169 
PY  - 2002///
CY  - harlow
PB  - Pearson Education
KW  - Freshwater biology
KW  - Great Britain
KW  - Water pollution
ER  -