TY  - BOOK
AU  - Birdie, G S
AU  - Birdie, J S.
TI  - Water supply and sanitary engineering
SN  - 8187433795 
U1  - 628.3 
PY  - 1994///
CY  - New Delhi
PB  - Dhanpat Rai And Sons
KW  - Sanitary municipal engineering
ER  -