00819nam0-22002771i-450-99000397877040332120031112110808.0000397877FED01000397877(Aleph)000397877FED0100039787720031112d1965----km-y0itay50------baengNitrogen and phosphorus in waterKennet M. MackenthunOhioUs.Dep. of Health E. and W.1965XVIII,111 p.26 cmBibl. Ing. SanitariaCONTROLLO QUALITA' DELLE ACQUE DI RIFIUTOMackenthun,Kenneth Marsh150019ITUNINARICAUNIMARCBK99000397877040332115 N/5-103DINIDDINIDNitrogen and phosphorus in water473738UNINA