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\bibitem{Tao_etal2006} {\textquotedblleft}\textit{Controllable synthesis of novel one-dimensional carbon nanomaterials on an alkali-element-modified Cu catalyst}{\textquotedblright}. Tao XY, Zhang XB, Cheng J-P, Liu F, Li Y, Van Tendeloo G, Nanotechnology \textbf{17}, 224 (2006).   http://doi.org/10.1088/0957-4484/17/1/037

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