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\bibitem{Felten_etal2007} {\textquotedblleft}\textit{Nucleation of metal clusters on plasma treated multi wall carbon nanotubes}{\textquotedblright}. Felten A, Bittencourt C, Colomer J-F, Van Tendeloo G, Pireaux J-J, Carbon \textbf{45}, 110 (2007).   http://doi.org/10.1016/j.carbon.2006.07.023

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