TY  - GEN
AU  - Lal, D.                      
AU  - Upadhyay, A. K.
TI  - Water supply and waste water engineering
SN  - 8185749760 (pbk.)
U1  - 628.1 
PY  - 2001///
CY  - Delhi
PB  - S. K. Kataria, 2001.
KW  - Water-supply engineering
N1  - Distributer: Al-Ahram; Catalogued by: Sara
ER  -