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\bibitem{Chen_etal2012} {\textquotedblleft}\textit{Quantum cascades in nano-engineered superconductors : geometrical, thermal and paramagnetic effects}{\textquotedblright}. Chen Y, Shanenko AA, Croitoru MD, Peeters FM, Journal of physics : condensed matter \textbf{24}, 265702 (2012).   http://doi.org/10.1088/0953-8984/24/26/265702

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