TY  - GEN
AU  - Trivedy, R.K
AU  - Goel, P.K
TI  - An introduction to air pollution
SN  - 8185771650
U1  - 363.7392 
PY  - 2003///
CY  - joipur
PB  - ABD Pub.
KW  - AIR POLLUTION
KW  - Environmental pollution
KW  - ENVIRONMENTAL PROBLEMS
KW  - Pollution
ER  -