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\bibitem{Colomer_etal1999} {\textquotedblleft}\textit{Synthesis of single wall carbon nanotubes by catalytic decomposition of hydrocarbons}{\textquotedblright}. Colomer J-F, Bister G, Willems I, Konya Z, Fonseca A, Van Tendeloo G, Nagy JB, Chemical communications , 1343 (1999).   http://doi.org/10.1039/a903142a

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