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\bibitem{deClippel_etal2011} {\textquotedblleft}\textit{Graphitic nanocrystals inside the pores of mesoporous silica : synthesis, characterization and an adsorption study}{\textquotedblright}. de Clippel F, Harkiolakis A, Vosch T, Ke X, Giebeler L, Oswald S, Houthoofd K, Jammaer J, Van Tendeloo G, Martens JA, Jacobs PA, Baron GV, Sels BF, Denayer JFM, Microporous and mesoporous materials: zeolites, clays, carbons and related materials \textbf{144}, 120 (2011).   http://doi.org/10.1016/j.micromeso.2011.04.003

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