1990

Alder A., Siegrist H., Gujer, W., and Giger, W. (1990). Behaviour of NTA and EDTA in biological wastewater treatment. Wat.Res., 24(6), 733-742.

Boller, M. (1990). Valutazione sulla economicità e affidabilità dei metodi per la eliminazione del fosforo in condizioni di emergenza. Symposium on the 'The algea on the Adriatic Sea', January 1990,, Bologna, Italy, .

Boller, M., and Deplazes, G. (1990). Small Wastewater Treatment Plants in Switzerland. Wat.Sci.Tech., 22(3/4), 1-8.

Boller, M., Gujer, W., and Nyhuis, G. (1990). Tertiary Rotating Biological Contactors for Nitrification. Wat. Sci. Tech., 22(1/2), 89-100.

Boller M., and Deplazes G. (1990). Small Wastewater Treatment Plants in Switzerland. Wat. Sci. Tech., 22.

Boller M., and Gujer, W. (1990). Tertiary rotating biological contactors for nitrification. Wat.Sci.Tech., 22(1/2), 89-100.

Gujer, W. (1990). «Bemessung von Belebungsanlagen zur Stickstoffelimination mit Hilfe eines dynamischen Simulationsprogrammes; 1. Teil: Grundlagen, 2. Teil: Simulation eines Fallbeispieles.» Weitergehende Abwasserreinigung, Bever und Teichmann, R. Oldenburg, München.

Gujer, W., and Boller, M. (1990). A mathematical model for rotating biological contactors. Wat.Sci.Tech., 22(1/2), 53-73.

Gujer, W., and Wanner, O. (1990). «Modelling mixed population biofilms.» Biofilms, W. G. Characklis and K. C. Marshall, eds., Wiley, J. & Sons, New York, 397-443.

Kappeler, J., and Gujer, W. (1990). Entstehung und Bekämpfung von Blähschlamm in Belebungsanlagen. Schriftenreihe Umwelt, 117(März 1990).

Kappeler, J., and Gujer, W. (1990). Blähschlamm: Ursachen und Vermeidung, Fallbeispiele. Gas Wasser Abwasser, 70, 791-798.

Krebs, P. (1990). Fischgerechte Holzschwellen in Flüssen. Mitteilung 104, Versuchsanstalt für Wasserbau, Hydrologie und Glaziologie (VAW), ETH Zürich, 104.

Munz, C., Walther, J. L., Baldauf, G., Boller, M., and Bland, R. (1990). Evaluating Layered Upflow Carbon Adsorption for the Removal of Trace Organic Contaminants. Journal AWWA, 82(3), 63-76.

Munz Ch., and M., B. (1990). Evaluating Layered Upflow Carbon Adsorption for the Removal of Trace Organic Contaminants. Journal AWWA.

Schudel, P., and Boller, M. (1990). Onsite Wastewater Treatment with Intermittent Buried Filters. Wat.Sci.Tech., 22(3/4), 93-100.

Siegrist, H. (1990). «Klärschlamm, ein wertvolles aber problematisches Produkt.» Umwelttechnik aus der Schweiz, VSM, Zürich.

Sollfrank , U., and Gujer, W. (1990). Simultaneous determination of oxygen uptake rate and oxygen transfer coefficient in activated sludge systems by an on-line method. Wat. Res., 24, 725-732.

Sollfrank U., and W., G. (1990). Simultaneous determination of oxygen uptake rate and oxygen transfer coefficient in activated sludge systems by an on-line method. Wat. Res., 24(6), 725-732.