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\bibitem{Zhang_etal2015} {\textquotedblleft}\textit{Position-dependent effect of non-magnetic impurities on superconducting properties of nanowires}{\textquotedblright}. Zhang L-F, Covaci L, Peeters FM, Europhysics letters \textbf{109}, 17010 (2015).   http://doi.org/10.1209/0295-5075/109/17010

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