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\bibitem{MiltonPereira_etal2007} {\textquotedblleft}\textit{Tunable quantum dots in bilayer graphene}{\textquotedblright}. Milton Pereira J, Vasilopoulos P, Peeters FM, Nano letters \textbf{7}, 946 (2007).   http://doi.org/10.1021/nl062967s

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