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\bibitem{Chen_etal2009} {\textquotedblleft}\textit{Superconducting nanowires: quantum confinement and spatially dependent Hartree-Fock potential}{\textquotedblright}. Chen Y, Croitoru MD, Shanenko AA, Peeters FM, Journal of physics : condensed matter \textbf{21}, 435701 (2009).   http://doi.org/10.1088/0953-8984/21/43/435701

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