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\bibitem{Liang_etal2021} {\textquotedblleft}\textit{Investigation of active species in low-pressure capacitively coupled N-2/Ar plasmas}{\textquotedblright}. Liang Y-S, Xue C, Zhang Y-R, Wang Y-N, Physics Of Plasmas \textbf{28}, 013510 (2021).   http://doi.org/10.1063/5.0031120

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