TY  - GEN
AU  - Singh , Gurcharan 
AU  - Singh , Jagdish  
TI  - Water supply and sanitary engineering: environmental engineering
SN  - 818630827X
U1  - 628.1 
PY  - 1996///
CY  - Delhi
PB  - Standard Publishers
KW  - ENGINEERING - WATER SUPPLY
KW  - WATER SUPPLY
ER  -