TY  - BOOK
AU  - Davis,Mackenzie Leo
TI  - Water and wastewater engineering: design principles and practice 
SN  - 978007128924
AV  - TD345 .D36 2011
PY  - 2011///
CY  - New York
PB  - McGraw-Hill
KW  - Water-supply engineering
KW  - Sewage disposal
KW  - Sewage
KW  - Purification
ER  -