TY  - BOOK
AU  - Chhatwal, G.R.
TI  - Encyclopedia of Environmental Waste pollution
SN  - 8174884394
U1  - REF 363.7 CHH 
PY  - 1997///
CY  - New Delhi
PB  - Anmol Publications
KW  - Pollution
KW  - Encyclopedias
N1  - Vol I
ER  -