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\bibitem{Pereira_etal2009} {\textquotedblleft}\textit{Landau levels in graphene bilayer quantum dots}{\textquotedblright}. Pereira JM, Peeters FM, Vasilopoulos P, Costa Filho RN, Farias GA, Physical review : B : solid state \textbf{79}, 195403 (2009).   http://doi.org/10.1103/PhysRevB.79.195403

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