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\bibitem{Petrovic_etal2013} {\textquotedblleft}\textit{Conductance maps of quantum rings due to a local potential perturbation}{\textquotedblright}. Petrovic MD, Peeters FM, Chaves A, Farias GA, Journal of physics : condensed matter \textbf{25}, 495301 (2013).   http://doi.org/10.1088/0953-8984/25/49/495301

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