Sustaining urban water resources in the 21st century : proceedings, September 7-12, 1997, Malmo, Sweden / edited by A. Charles Rowney, Peter Stahre, Larry A. Roesner ; sponsored by United Engineering Foundation, Inc. ; conference co-sponsors, Urban Water Resources Research Council of Civil Engineers ... [et al.]. - Rowney, A. Charles; Stahre, Peter; Roesner, Larry A (American Society of Civil Engineers, 1999)