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\bibitem{Cenian_etal2005} {\textquotedblleft}\textit{Particle-in-cell Monte Carlo modeling of Langmuir probes in an Ar plasma}{\textquotedblright}. Cenian A, Chernukho A, Bogaerts A, Gijbels R, Leys C, Journal of applied physics \textbf{97}, 123310 (2005).   http://doi.org/10.1063/1.1938275

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