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\bibitem{Liu_etal2006} {\textquotedblleft}\textit{Monte Carlo method for simulations of adsorbed atom diffusion on a surface}{\textquotedblright}. Liu YH, Neyts E, Bogaerts A, Diamond and related materials \textbf{15}, 1629 (2006).   http://doi.org/10.1016/j.diamond.2006.01.012

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