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\bibitem{Carvalho_etal2012} {\textquotedblleft}\textit{Diffusion in a quasi-one-dimensional system on a periodic substrate}{\textquotedblright}. Carvalho JCN, Nelissen K, Ferreira WP, Farias GA, Peeters FM, Physical review : E : statistical, nonlinear, and soft matter physics \textbf{85}, 021136 (2012).   http://doi.org/10.1103/PhysRevE.85.021136

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