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\bibitem{Bultinck+Bogaerts2009} {\textquotedblleft}\textit{Particle-in-cell/Monte Carlo collisions treatment of an Ar/O$_{2}$ magnetron discharge used for the reactive sputter deposition of TiO$_{x}$ films}{\textquotedblright}. Bultinck E, Bogaerts A, New journal of physics \textbf{11}, 103010 (2009).   http://doi.org/10.1088/1367-2630/11/10/103010

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