TY - BOOK ED - Water Environment Federation. TI - Upgrading and retrofitting water and wastewater treatment plants T2 - WEF manual of practice SN - 0071453032 (acidfree paper) U1 - 628.3 PY - 2005/// CY - New York PB - McGraw-Hill KW - Sewage disposal plants KW - Upgrading KW - Retrofitting KW - Water treatment plants KW - |MC||E N1 - Prepared by Upgrading and Retrofitting Water and Wastewater Treatment Plants Task Force of the Water Environment Federation UR - http://www.loc.gov/catdir/description/mh051/2004061046.html UR - http://www.loc.gov/catdir/bios/mh051/2004061046.html UR - http://www.loc.gov/catdir/toc/mh051/2004061046.html ER -