TY  - BOOK
AU  - Birdie, G.S.
AU  - Birdie , J. S.
TI  - Water supply and sanitary engineering
U1  - 628.1 
PY  - 1994///
CY  - New Delhi
PB  - Dhanpat Rai
KW  - Water resources devolopment
KW  - Water supply
KW  - Water supply engineering
ER  -