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\bibitem{Roegiers_etal2018} {\textquotedblleft}\textit{CFD- and radiation field modeling of a gas phase photocatalytic multi-tube reactor}{\textquotedblright}. Roegiers J, van Walsem J, Denys S, Chemical engineering journal \textbf{338}, 287 (2018).   http://doi.org/10.1016/J.CEJ.2018.01.047

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