TY  - BOOK
AU  - Haslam,S.M.
TI  - River pollution : : an ecological perspective 
SN  - 8123900201
U1  - 363.7 22
PY  - 1991///
CY  - New Delhi
PB  - CBS
KW  - Pollution
KW  - Water Pollution
N1  - Includes bibliographical references and index
ER  -