TY  - BOOK
AU  - Prasad, D
TI  - Environmental Pollution, Air
SN  - 817238000X
U1  - 363.7392 PRA-E 
PY  - 1992///
CY  - New Delhi
PB  - Venus Publishing House
KW  - Air -- Pollution, Air pollution
UR  - https://www.google.co.in/books/edition/Environmental_Pollution_Air/jH5GAAAAYAAJ?hl=en&gbpv=1&bsq=817238000X&dq=817238000X&printsec=frontcover
ER  -