TY  - BOOK
AU  - Agrawal, K C
TI  - Environmental polution
SN  - 8190118145
U1  - 333.7 
PY  - 2001///
CY  - Bikaner
PB  - Nidhi Publishers
KW  - Polution
KW  - Environmental polution
KW  - Contamination of environment
KW  - Environmental quality
ER  -