TY  - BOOK
AU  - Tchobanoglous,George
TI  - Wastewater engineering: treatment disposal reuse 
SN  - 0070994617
AV  - TD645 .W293 1979
U1  - 628.3 
PY  - 1979///
CY  - New Delhi
PB  - Tata McGraw Hill
KW  - Environment
KW  - Sewerage
KW  - Wastewater engineering
ER  -