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\bibitem{Zhang_etal2014} {\textquotedblleft}\textit{Computational study of plasma sustainability in radio frequency micro-discharges}{\textquotedblright}. Zhang Y, Jiang W, Zhang QZ, Bogaerts A, Journal of applied physics \textbf{115}, 193301 (2014).   http://doi.org/10.1063/1.4878161

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