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\bibitem{Lorenz_etal2010} {\textquotedblleft}\textit{Preparation and structural characterization of SnO$_{2}$ and GeO$_{2}$ methanol steam reforming thin film model catalysts by (HR)TEM}{\textquotedblright}. Lorenz H, Zhao Q, Turner S, Lebedev OI, Van Tendeloo G, Kl{\"o}tzer B, Rameshan C, Penner S, Materials chemistry and physics \textbf{122}, 623 (2010).   http://doi.org/10.1016/j.matchemphys.2010.03.057

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