TY  - BOOK
AU  - Tripathi A K
TI  - Air pollution, by A K Tripathi
T2  - Protect Global Earth Series, 1
SN  - 8170245214
U1  - U:(G:558), N3/TD3 
PY  - 1993///
CY  -  New Delhi 
PB  - Ashish Publishing India       
KW  - Geography - Environment
ER  -