TY  - BOOK
AU  - Trivedi, R K
AU  - Trivedi, R K Author
TI  - Introduction to air pollution
SN  - 8190055305
U1  - 363.7362, TRI 
PY  - 1995///
CY  - Jaipur
PB  - Technoscience Publications
KW  - Social problems & services
ER  -