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\bibitem{Courtens_etal2016} {\textquotedblleft}\textit{Empowering a mesophilic inoculum for thermophilic nitrification : growth mode and temperature pattern as critical proliferation factors for archaeal ammonia oxidizers}{\textquotedblright}. Courtens ENP, Vandekerckhove T, Prat D, Vilchez-Vargas R, Vital M, Pieper DH, Meerbergen K, Lievens B, Boon N, Vlaeminck SE, Water research \textbf{92}, 94 (2016).   http://doi.org/10.1016/J.WATRES.2016.01.022

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