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\bibitem{MiltonPereira_etal2007} {\textquotedblleft}\textit{Magnetic interface states in graphene-based quantum wires}{\textquotedblright}. Milton Pereira J, Peeters FM, Vasilopoulos P, Physical review : B : condensed matter and materials physics \textbf{75}, 125433 (2007).   http://doi.org/10.1103/PhysRevB.75.125433

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