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classificationCode:"ddc:333.91"

    The effect of dissolved oxygen concentration on the settling properties of activated sludge

    Willen, B.-M. / Balmer, P. | British Library Online Contents | 1997

    Phosphorus removal and denitrification in deep-bed two-media filters

    Jonsson, L. | British Library Online Contents | 1997

    Vaexelverkan mellan vegetation och vattnets kretslopp

    Gumbricht, T. | British Library Online Contents | 1997

    Subsurface macrophyte systems in wastewater treatment

    Farahbakhshazad, N. / Morrison, G. M. | British Library Online Contents | 1998

    Drying as a urine dewatering method

    Hellstroem, D. / Thurdin, J. | British Library Online Contents | 1998

    Algdammar - ett saett att faa ett kretslopp av naeringsaemnen

    Hellstroem, T. | British Library Online Contents | 1996

    On water and potential work

    Berg, B. D. | British Library Online Contents | 1996

    Mikrosvamp och aktinomyceter i dricksvatten

    Akerstrand, K. | British Library Online Contents | 1997