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\bibitem{vanOers_etal2014} {\textquotedblleft}\textit{Zeolite \beta nanoparticles based bimodal structures : mechanism and tuning of the porosity and zeolitic properties}{\textquotedblright}. van Oers CJ, Kurttepeli M, Mertens M, Bals S, Meynen V, Cool P, Microporous and mesoporous materials: zeolites, clays, carbons and related materials \textbf{185}, 204 (2014).   http://doi.org/10.1016/j.micromeso.2013.11.021

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