00924nam0-2200313---450-99000917179040332120100413124219.09241541687000917179FED01000917179(Aleph)000917179FED0100091717920100413d1984----km-y0itay50------baengCHa-------001yyGuidelines for drinking-water qualityv. 1RecommendationsWorld Health OrganizationGenevaWorld Health Organization1984XI, 130 p.ill.25 cmQualità dell'acqua363.61021819Organizzazione mondiale della sanità361629ITUNINARICAUNIMARCBK990009171790403321IG 15 E 122399DMIGIDMIGIGuidelines for drinking-water quality780671UNINA