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\bibitem{Madsen_etal2021} {\textquotedblleft}\textit{ab initio description of bonding for transmission electron microscopy}{\textquotedblright}. Madsen J, Pennycook TJ, Susi T, Ultramicroscopy \textbf{231} (2021).   http://doi.org/10.1016/J.ULTRAMIC.2021.113253

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