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\bibitem{Milovanovic+Peeters2016} {\textquotedblleft}\textit{Characterization of the size and position of electron-hole puddles at a graphene p-n junction}{\textquotedblright}. Milovanovic SP, Peeters FM, Nanotechnology \textbf{27}, 105203 (2016).   http://doi.org/10.1088/0957-4484/27/10/105203

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