TY  - BOOK
AU  -  Kamala,A;Kanth rao,D.L
TI  -  Environmental engineering:Water supply,sanitary Engineering and pollution
SN  - 3651
U1  -  628  BAS-E 
PB  -  Tata McGraw Hill Publishing Co. Ltd., New Delhi
KW  -  Sanitary and municipal engineering, Environmental protection engineering
ER  -