TY  - BOOK
AU  - Birdie G.S.
TI  - Water Supply and Sanitary Engineering
SN  - 1480
U1  - 628.1               
PY  - 1982///
CY  - Delhi
PB  - Dhanpat Rai & Sons
KW  - water supply sanitation, Public Health Engg. 628.1
ER  -