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\bibitem{Quintana_etal2012} {\textquotedblleft}\textit{A simple road for the transformation of few-layer graphene into MWNTs}{\textquotedblright}. Quintana M, Grzelczak M, Spyrou K, Calvaresi M, Bals S, Kooi B, Van Tendeloo G, Rudolf P, Zerbetto F, Prato M, Journal of the American Chemical Society \textbf{134}, 13310 (2012).   http://doi.org/10.1021/ja303131j

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