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\bibitem{Radi_etal2018} {\textquotedblleft}\textit{Influence of stress aging process on variants of nano-N$_{4}$Ti$_{3}$precipitates and martensitic transformation temperatures in NiTi shape memory alloy}{\textquotedblright}. Radi A, Khalil-Allafi J, Etminanfar MR, Pourbabak S, Schryvers D, Amin-Ahmadi B, Materials \& design \textbf{262}, 74 (2018).   http://doi.org/10.1016/J.ELECTACTA.2018.01.024

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