TY  - BOOK
AU  - Kudesia, V P  .
AU  - Kudesia,Ritu  .
TI  - Water pollution / 
U1  - 628.168 
PY  - 1998///
CY  - Meerut : 
PB  - Pragati Prakashan , 
N1  - 20113- Reference
ER  -