TY  - BOOK
AU  - Haslam,S.M.
TI  - River pollution an ecological perspective
SN  - 8123900201
U1  - 628.1 22
PY  - 1990///
CY  - New Delhi
PB  - CBS
KW  - Pollution
KW  - Water Pollution
N1  - Includes bibliographical references and index
ER  -