TY  - BOOK
AU  - Davis,Mackenzie Leo
TI  - Water and wastewater engineering: design principles and practice 
SN  - 9781259064838 (pbk.)
AV  - TD345 .D36 2011
U1  - 628.1 
PY  - 2013///
CY  - New York
PB  - McGraw-Hill
KW  - Sewage disposal
KW  - Sewage
KW  - Purification
KW  - Water-supply engineering
N1  - Includes references ; appendix & index
ER  -