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\bibitem{Shanenko_etal2011} {\textquotedblleft}\textit{Superconducting nanowires : new type of BCS-BEC crossover driven by quantum-size effects}{\textquotedblright}. Shanenko AA, Croitoru MD, Vagov A, Peeters FM, , 119 (2011).   http://doi.org/10.1007/978-94-007-0044-4_9

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