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\bibitem{Lin_etal2014} {\textquotedblleft}\textit{Quantum rotor in nanostructured superconductors}{\textquotedblright}. Lin S-H, Milo{\v s}evi{\'c} MV, Covaci L, Janko B, Peeters FM, Scientific reports \textbf{4}, 4542 (2014).   http://doi.org/10.1038/srep04542

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