Tertiary rotating biological contactors for nitrification

Boller M, Gujer W & Nyhuis G
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Boller, M., Gujer, W., & Nyhuis, G. (1990). Tertiary rotating biological contactors for nitrification. Water Science and Technology, 22(1-2), 89-100. https://doi.org/10.2166/wst.1990.0138