TY  - BOOK
AU  - Tchobanoglous, George  .
AU  - Burton,FranklinL  .
TI  - Waste water engineering : Treatment, disposal and re use / 
SN  - 0-07-462247-1
U1  - 628.43 
PY  - 1997///
CY  -  : 
PB  - Tata Mc-Graw Hill Publishing Company , 
ER  -