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\bibitem{Alekseeva_etal2013} {\textquotedblleft}\textit{Spatial separation of covalent, ionic, and metallic interactions in Mg$_{11}$Rh$_{18}$B$_{8}$ and Mg$_{3}$Rh$_{5}$B$_{3}$}{\textquotedblright}. Alekseeva AM, Abakumov AM, Leither-Jasper A, Schnelle W, Prots Y, Van Tendeloo G, Antipov EV, Grin Y, Chemistry: a European journal \textbf{19}, 17860 (2013).   http://doi.org/10.1002/chem.201301512

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