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\bibitem{Shariat_etal2013} {\textquotedblleft}\textit{On the low-temperature growth mechanism of single walled carbon nanotubes in plasma enhanced chemical vapor deposition}{\textquotedblright}. Shariat M, Shokri B, Neyts EC, Chemical physics letters \textbf{590}, 131 (2013).   http://doi.org/10.1016/j.cplett.2013.10.061

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