Soft water paths.
Gleick
Peter H
PH
Pacific Institute for Studies in Development, Environment, and Security, 654 13th Street, Oakland, California 94612, USA.
D000383:Agriculture / Q000379:methods; D003247:Conservation of Natural Resources / Q000191:economics / Q000379:methods*; D006801:Humans; D007221:Industry / Q000191:economics / Q000379:methods; D014881:Water Supply / Q000191:economics* / Q000592:standards*