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\bibitem{Kirilenko_etal2015} {\textquotedblleft}\textit{One-step synthesis of a suspended ultrathin graphene oxide film: Application in transmission electron microscopy}{\textquotedblright}. Kirilenko DA, Dideykin AT, Aleksenskiy AE, Sitnikova AA, Konnikov SG, Vul{\textquoteright} AY, Micron \textbf{68}, 23 (2015).   http://doi.org/10.1016/j.micron.2014.08.006

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