TY  - BOOK
AU  - Upadhyay, A K
AU  - D. Lal
TI  - Water Supply and Waste Water Engineering 
SN  - 9789350143766
U1  - 658.109944 UPA 
PY  - 2016///
CY  - New Delhi 
PB  - S K Kataria 
KW  - Civil Engineering
ER  -