TY  - BOOK
AU  - Johri Poonam
TI  - Environmental Pollution
SN  - 9788184112726
U1  - 363.73 JOH 
PY  - 2010///
CY  - New Delhi
PB  - Sonali Publications
KW  - Environmental Pollution
KW  - Johri Poonam
ER  -