TY  - BOOK
T1  - Biology of freshwater pollution /
DA  - 1981.
CY  - London ;
CY  - New York :
AU  - Mason, C. F.
CN  - QH545.W3
CN  - QH545.W3
PB  - Longman,
PP  - London ;
PP  - New York :
PY  - 1981.
N1  - Includes indexes.
ID  - 66184
KW  - Water
KW  - Freshwater biology.
SN  - 0582455960
TI  - Biology of freshwater pollution /
ER  -