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\bibitem{Verbeeck_etal2008} {\textquotedblleft}\textit{Optimal aperture sizes and positions for EMCD experiments}{\textquotedblright}. Verbeeck J, H{\'e}bert, Rubino S, Nov{\'a}k P, Rusz J, Houdellier F, Gatel C, Schattschneider P, Ultramicroscopy \textbf{108}, 865 (2008).   http://doi.org/10.1016/j.ultramic.2008.02.007

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