TY  - BOOK
T1  - River pollution :an ecological perspective /
DA  - c1990.
CY  - London ;
CY  - New York :
AU  - Haslam, S. M.
CN  - QH541.5.S7
CN  - QH541.5.S7
PB  - Belhaven Press,
PP  - London ;
PP  - New York :
PY  - c1990.
ID  - 134257
KW  - Stream ecology.
KW  - Water
SN  - 185293073X
TI  - River pollution :an ecological perspective /
ER  -