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\bibitem{Vandekerckhove_etal2019} {\textquotedblleft}\textit{$^{13}$C incorporation as a tool to estimate biomass yields in thermophilic and mesophilic nitrifying communities}{\textquotedblright}. Vandekerckhove TGL, Bod{\'e} S, De Mulder C, Vlaeminck SE, Boon N, Frontiers in microbiology \textbf{10}, 192 (2019).   http://doi.org/10.3389/FMICB.2019.00192

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