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\bibitem{Tytgat_etal2012} {\textquotedblleft}\textit{Photocatalytic process optimisation for ethylene oxidation}{\textquotedblright}. Tytgat T, Hauchecorne B, Abakumov AM, Smits M, Verbruggen SW, Lenaerts S, Chemical engineering journal \textbf{209}, 494 (2012).   http://doi.org/10.1016/j.cej.2012.08.032

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