TY  - BOOK
AU  - Birdie,G. S
AU  - Birdie,J. S
TI  - Water supply and sanitary engineering
U1  - 628.1 
PY  - 2002///
CY  - New Delhi
PB  - Dhanpat Rai & Co.(Pvt.)Ltd.
KW  - Civil Engineering
ER  -