00870nam0-22002771i-450-99000396883040332120060626131101.0000396883FED01000396883(Aleph)000396883FED0100039688320031003d1968----km-y0itay50------baeng<<The >>cost of clean waterEconomic impact on affected Units of governmentFederal Water Pollution Control Administration.WashingtonU.S. Dep. I.1968227 p.23 cmBibl. Ing. SanitariaACQUE POTABILI APPROVVIGIONAMENTOFederal Water pollution Control383305ITUNINARICAUNIMARCBK99000396883040332115 M/3-18inv.n. 501DINIDDINIDCost of clean water512449UNINA