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\bibitem{Cagnetta_etal2016} {\textquotedblleft}\textit{Production of carboxylates from high rate activated sludge through fermentation}{\textquotedblright}. Cagnetta C, Coma M, Vlaeminck SE, Rabaey K, Bioresource technology \textbf{217}, 165 (2016).   http://doi.org/10.1016/J.BIORTECH.2016.03.053

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