TY  - BOOK
AU  - Chhatwal, G.R.
TI  - Encyclopedia of environmental air pollution 
SN  - 8174884386
U1  - 363.739203 23rd ed.
PY  - 1997///
CY  - New Delhi
PB  - Anmol Publications Private Ltd.
KW  - ENVIRONMENTAL LAW: ENVIRONMENTAL INFLUENCE ON HUMANS
ER  -