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\bibitem{Dong_etal2010} {\textquotedblleft}\textit{Photo-excited carriers and optical conductance and transmission in graphene in the presence of phonon scattering}{\textquotedblright}. Dong HM, Xu W, Zhang J, Peeters FM, Vasilopoulos P, Physica. E: Low-dimensional systems and nanostructures \textbf{42}, 748 (2010).   http://doi.org/10.1016/j.physe.2009.11.048

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