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\bibitem{Zalipaev_etal2015} {\textquotedblleft}\textit{Resonant tunneling and localized states in a graphene monolayer with a mass gap}{\textquotedblright}. Zalipaev V, Linton CM, Croitoru MD, Vagov A, Physical review : B : condensed matter and materials physics \textbf{91}, 085405 (2015).   http://doi.org/10.1103/PhysRevB.91.085405

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