TY  - BOOK
AU  - Metcalf & Eddy.
TI  - Wastewater engineering treatment disposal, reuse
AV  - TD645 .M48 1979
PY  - 1981///
CY  - New Delhi
PB  - Tata McGraw-Hill 
KW  - Sewerage
KW  - Sewage disposal
KW  - Water reuse
ER  -