TY  - BOOK
AU  - Kamala, A.
AU  - Rao,D L Kanth
TI  - Environmental engineering: Water supply sanitary engineering and pollution 
SN  - 0074517082
U1  - 628 22
PY  - 1988///
CY  - New delhi
PB  - Tata Mcraw.
KW  - Environmental engineering
KW  - Congresses
N1  - Includes indexes
ER  -