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\bibitem{Bals_etal2006} {\textquotedblleft}\textit{Statistical estimation of atomic positions from exit wave reconstruction with a precision in the picometer range}{\textquotedblright}. Bals S, Van Aert S, Van Tendeloo G, Avila-Brande D, Physical review letters \textbf{96}, 096106 (2006).   http://doi.org/10.1103/PhysRevLett.96.096106

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