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\bibitem{Stambula_etal2014} {\textquotedblleft}\textit{Chemical structure of nitrogen-doped graphene with single platinum atoms and atomic clusters as a platform for the PEMFC electrode}{\textquotedblright}. Stambula S, Gauquelin N, Bugnet M, Gorantla S, Turner S, Sun S, Liu J, Zhang G, Sun X, Botton GA, The journal of physical chemistry: C : nanomaterials and interfaces \textbf{118}, 3890 (2014).   http://doi.org/10.1021/jp408979h

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