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\bibitem{Lin_etal2011} {\textquotedblleft}\textit{Titanosilicate beads with hierarchical porosity : synthesis and application as epoxidation catalysts}{\textquotedblright}. Lin K, Lebedev OI, Van Tendeloo G, Jacobs PA, Pescarmona PP, Chemistry: a European journal \textbf{16}, 13509 (2011).   http://doi.org/10.1002/chem.201001508

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