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\bibitem{Roesler_etal2016} {\textquotedblleft}\textit{Hollow Zn/Co Zeolitic Imidazolate Framework (ZIF) and Yolk-Shell Metal@Zn/Co ZIF nanostructures}{\textquotedblright}. Roesler C, Aijaz A, Turner S, Filippousi M, Shahabi A, Xia W, Van Tendeloo G, Muhler M, Fischer RA, Chemistry: a European journal \textbf{22}, 3304 (2016).   http://doi.org/10.1002/chem.201503619

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