Long-term evaluation of a spectral sensor for nitrite and nitrate

Rieger L, Langergraber G, Kaelin D, Siegrist H & Vanrolleghem PA
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Rieger, L., Langergraber, G., Kaelin, D., Siegrist, H., & Vanrolleghem, P. A. (2008). Long-term evaluation of a spectral sensor for nitrite and nitrate. Water Science and Technology, 57(10), 1563-1569. https://doi.org/10.2166/wst.2008.146