TY  - BOOK
AU  - Trivedy R K
AU  -  Goel P K
TI  - Introduction to air pollution
U1  - U47:(L:558), N5 
PY  - 1995///
CY  - Jaipur
PB  - Technoscience        
KW  -  HUMAN GEOGRAPHY
KW  - GEOGRAPHY
ER  -