TY - BOOK AU - Lindquist,Agneta AU - Hahn,Hermann AU - Hoffmann,Erhard ED - International Gothenburg Symposium TI - Chemical water and wastewater treatment IX SN - 1843391457 AV - TD745 .C43 2007 PY - 2007/// CY - London PB - IWA KW - Sewage KW - Purification KW - Congresses KW - Water ER -