TY  - BOOK
AU  - Katyal, Timy
ED  - Satake, M.
ED  - Kuma, Raj
TI  - Environmental pollution
SN  - 8170411238
U1  - 333.7 
PY  - 1996///
CY  - New Delhi
PB  -  Anmol Publications
KW  - Air Pollution
KW  - Water Pollution
KW  - Chemical Pollution
KW  - Environmental Pollution
ER  -