TY  - BOOK
AU  - Trivedy, R.K
AU  - Goel, P.K
TI  - Introduction to air pollution 
SN  - 81-7800-083-0
U1  - 363.739 2 
PY  - 2005///
CY  - Hyderabad
PB  - B.S.Publications
KW  - Social problems
N1  - Includes index
ER  -