TY  - BOOK
AU  - Singh, Gurcharan
AU  - Singh, Jagdish
TI  - Water supply and sanitary engineering
SN  - 8180140296
U1  - 628 SIN 
PY  - 2003///
CY  - New Delhi
PB  - Standard Publishers Distributors
KW  - Sanitary engineering
KW  - Hydrology
ER  -