TY  - GEN
AU  - Trivedy, R. K. and Goel, P. K.
TI  - An introduction to air pollution
SN  - 9788185771656
U1  - 363.7392 
PY  - 2003///
CY  - Jaipur
PB  - Global Media Publications, 
KW  - Air pollution
ER  -