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\bibitem{Esken_etal2010} {\textquotedblleft}\textit{Au@ZIFs: stabilization and encapsulation of cavity-size matching gold clusters inside functionalized Zeolite Imidazolate Frameworks, ZIFs}{\textquotedblright}. Esken D, Turner S, Lebedev OI, Van Tendeloo G, Fischer RA, Chemistry of materials \textbf{22}, 6393 (2010).   http://doi.org/10.1021/cm102529c

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