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\bibitem{Altantzis_etal2016} {\textquotedblleft}\textit{Direct Observation of Luminescent Silver Clusters Confined in Faujasite Zeolites}{\textquotedblright}. Altantzis T, Coutino-Gonzalez E, Baekelant W, Martinez GT, Abakumov AM, Van Tendeloo G, Roeffaers MBJ, Bals S, Hofkens J, ACS nano \textbf{10}, 7604 (2016).   http://doi.org/10.1021/acsnano.6b02834

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