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\bibitem{Khalil-Allafi+Amin-Ahmadi2010} {\textquotedblleft}\textit{Multiple-step martensitic transformations in the Ni$_{51}$Ti$_{49}$ single crystal}{\textquotedblright}. Khalil-Allafi J, Amin-Ahmadi B, Journal of materials science \textbf{45}, 6440 (2010).   http://doi.org/10.1007/s10853-010-4729-4

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