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\bibitem{Shanenko_etal2015} {\textquotedblleft}\textit{Atomically flat superconducting nanofilms: multiband properties and mean-field theory}{\textquotedblright}. Shanenko AA, Aguiar JA, Vagov A, Croitoru MD, Milo{\v s}evi{\'c} MV, Superconductor science and technology \textbf{28}, 054001 (2015).   http://doi.org/10.1088/0953-2048/28/5/054001

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