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\bibitem{Zelaya_etal2013} {\textquotedblleft}\textit{Evolution of the phase stability of NiAl under low energy ball milling}{\textquotedblright}. Zelaya E, Esquivel MR, Schryvers D, Advanced powder technology \textbf{24}, 1063 (2013).   http://doi.org/10.1016/j.apt.2013.03.008

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