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\bibitem{Xu_etal2011} {\textquotedblleft}\textit{Applying an information transmission approach to extract valence electron information from reconstructed exit waves}{\textquotedblright}. Xu Q, Zandbergen HW, van Dyck D, Ultramicroscopy \textbf{111}, 912 (2011).   http://doi.org/10.1016/j.ultramic.2011.01.032

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