TY  - BOOK
AU  - Trivedi,P.R, x
AU  - x
TI  - Environmental pollution and control: x
SN  - 8176485349
U1  - 628.5/T819e 
PY  - 2004///
CY  - New Delhi
PB  - APH pub corp.
KW  - Environmental pollution
KW  - Pollution
N1  - Includes
ER  -