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\bibitem{Leenaerts_etal2009} {\textquotedblleft}\textit{Hydrogenation of bilayer graphene and the formation of bilayer graphane from first principles}{\textquotedblright}. Leenaerts O, Partoens B, Peeters FM, Physical review : B : solid state \textbf{80}, 245422 (2009).   http://doi.org/10.1103/PhysRevB.80.245422

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