TY  - BOOK
AU  - Trivedi,P.R.
AU  - Raj,Gurdeep
TI  - Environmental air analysis
SN  - 8171582419
U1  - 614.71 TRI G 
PY  - 1992///.
CY  - New Delhi : 
PB  -  Akashdeep Publishing House. 
KW  - Environmental impact analysis
KW  - Environmental policy
KW  - Marine oil pollution
ER  -