TY  - BOOK
AU  - BIRDIE, G.S.
AU  - BIRDIE, J.S.
TI  - WATER SUPPLY AND SANITARY ENGINEERING
SN  - 8187433795
U1  - 628/BIR/BIR 
PY  - 2006///
CY  - NEW DELHI.
PB  - DHANPAT RAI & CO., NEW DELHI
ER  -