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\bibitem{Yang_etal2005} {\textquotedblleft}\textit{Analytical TEM investigations on concentration gradients surrounding Ni$_{4}$Ti$_{3}$ precipitates in Ni-Ti shape memory material}{\textquotedblright}. Yang Z, Tirry W, Schryvers D, Scripta materialia \textbf{52}, 1129 (2005).   http://doi.org/10.1016/j.scriptamat.2005.02.013

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