TY  - GEN
AU  - Haslam, S.M.
AU  - Bower, Y. illus.
TI  - River pollution : an ecological perspective
SN  - 0471946346
PY  - 1994///
CY  - Chichester
PB  - John Wiley
KW  - WATER POLLUTION
KW  - RIVERS
ER  -