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\bibitem{Peng_etal2017} {\textquotedblleft}\textit{Nitrous oxide production in a granule-based partial nitritation reactor : a model-based evaluation}{\textquotedblright}. Peng L, Sun J, Liu Y, Dai X, Ni B-J, Scientific reports \textbf{7}, 45609 (2017).   http://doi.org/10.1038/SREP45609

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