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\bibitem{Tarakina+Verberck2012} {\textquotedblleft}\textit{Tubular fullerenes in carbon nanotubes}{\textquotedblright}. Tarakina NV, Verberck B, Fullerenes, nanotubes, and carbon nanostructures \textbf{20}, 538 (2012).   http://doi.org/10.1080/1536383X.2012.656058

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