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\bibitem{Coppens_etal2016} {\textquotedblleft}\textit{Nitrification and microalgae cultivation for two-stage biological nutrient valorization from source separated urine}{\textquotedblright}. Coppens J, Lindeboom R, Muys M, Coessens W, Alloul A, Meerbergen K, Lievens B, Clauwaert P, Boon N, Vlaeminck SE, Bioresource technology \textbf{211}, 41 (2016).   http://doi.org/10.1016/J.BIORTECH.2016.03.001

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