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\bibitem{deWitte_etal2008} {\textquotedblleft}\textit{Multi-step loading of titania on mesoporous silica: influence of the morphology and the porosity on the catalytic degradation of aqueous pollutants and VOC{\textquoteright}s}{\textquotedblright}. de Witte K, Meynen V, Mertens M, Lebedev OI, Van Tendeloo G, Sep{\'u}lveda-Escribano A, Rodr{\'\i}guez-Reinoso F, Vansant EF, Cool P, Applied catalysis : B : environmental \textbf{84}, 125 (2008).   http://doi.org/10.1016/j.apcatb.2008.03.015

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