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\bibitem{Espinosa_etal2007} {\textquotedblleft}\textit{Metal-decorated multi-wall carbon nanotubes for low temperature gas sensing}{\textquotedblright}. Espinosa EH, Lonescu R, Bittencourt C, Felten A, Erni R, Van Tendeloo G, Pireaux J-J, Llobet E, Thin solid films : an international journal on the science and technology of thin and thick films \textbf{515}, 8322 (2007).   http://doi.org/10.1016/j.tsf.2007.03.017

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