The nature of surface barriers on nanoporous solids explored by microimaging of transient guest distributions and Monte Carlo simulations - Hibbe, Florian; Heinke, Lars; Chmelik, Christian; Pramanik, Sanhita; Li, Jing; Ruthven, Douglas M.; Tzoulaki, Despina; Kärger, Jörg (Diffusion Fundamentals, 2011)