TY  - BOOK
AU  - Gurcharan Singh
AU  - Jagdish Singh
TI  - Water supply and sanitary engineering (Environmental engineering)
U1  - 628.1 21st ed.
PY  - 1984///
CY  - Delhi
PB  - Standard Publishers
KW  - Civil engineering
KW  - Sanitary engineering
KW  - Water-Pollution
KW  - Water-Purification
KW  - Water-supply engineering
N1  - Content: v.1
ER  -