TY  - BOOK
AU  - SHARMA (B K)
AU  - KAUR (H)
TI  - Air pollution
SN  - 81 85842 04 3
U1  - 363.73 SHAA 
PY  - 1993///
CY  - Meerut
PB  - Goel Publishing house
KW  - Air pollution
ER  -