TY  - BOOK
ED  - Water Environment Federation
TI  - Upgrading and retrofitting water and wastewater treatment plants
SN  - 0071453032
PY  - 2005///
CY  - Alexandria, VA: WEF Press
KW  - Sewage disposal plants
KW  - Upgrading
KW  - Retrofitting
N1  - Includes index
ER  -