00801nam0-22002771i-450-990000110720403321000011072FED01000011072(Aleph)000011072FED0100001107220011111d--------km-y0itay50------baitay-------001yyWATER quality and treatmenta handbook of public water suppliesprepared by the American water works association.3. ed.New YorkMcGraw-Hill book companycopyr. 1971XII, 654 p.ill.23 cmAcqueTrattamento628.162ITUNINARICAUNIMARCBK99000011072040332113 D 03 073631FINBCFINBCUNINAING01