TY  - BOOK
AU  - Chhatwal,G.R.
TI  - Encyclopaedia of water pollution
SN  - 8174884351
U1  - 628.168015118 22
PY  - 1996///
CY  - New Delhi
PB  - Anmol Publications
KW  - Water pollution
KW  - Encyclopedias
ER  -