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\bibitem{Wang_etal2022} {\textquotedblleft}\textit{Catalyst-free single-step plasma reforming of CH4 and CO2 to higher value oxygenates under ambient conditions}{\textquotedblright}. Wang Y, Chen Y, Harding J, He H, Bogaerts A, Tu X, Chemical Engineering Journal \textbf{450}, 137860 (2022).   http://doi.org/10.1016/j.cej.2022.137860

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