TY  - BOOK
AU  - Birdie, G. S.
AU  - Birdie, J. S.
TI  - Water Supply & Sanitary Engineering: : (Including Environmental Engineering & Pollution Control Act's)
SN  - 8187433310
PY  - 2011///
CY  - New Delhi
PB  - Dhanpat  Rai Publishing Company
ER  -