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\bibitem{Faust_etal2023} {\textquotedblleft}\textit{Optimizing control strategies for urine nitrification : narrow pH control band enhances process stability and reduces nitrous oxide emissions}{\textquotedblright}. Faust V, Boon N, Ganigu{\'e} R, Vlaeminck SE, Udert KM, Frontiers in environmental science \textbf{11}, 1275152 (2023).   http://doi.org/10.3389/FENVS.2023.1275152

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