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\bibitem{Pourbabak_etal2017} {\textquotedblleft}\textit{Ni cluster formation in low temperature annealed Ni50.6Ti49.4}{\textquotedblright}. Pourbabak S, Wang X, Van Dyck D, Verlinden B, Schryvers D, Functional materials letters \textbf{10}, 1740005 (2017).   http://doi.org/10.1142/S1793604717400057

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