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\bibitem{Dube_etal2015} Dube, I., Jim{\'e}nez, D., Fedorov, G., Boyd, A., Gayduchenko, I., Paranjape, M., et al. (2015). Understanding the electrical response and sensing mechanism of carbon-nanotube-based gas sensors. \textit{Carbon}, \textit{87}, 330--337.

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