Diffusion in membranes: Toward a two-dimensional diffusion map Laura Toppozini, Victoria Garcia-Sakai, Robert Bewley, Robert Dalgliesh, Toby Perring and Maikel C. Rheinstädter EPJ Web of Conferences, 83 (2015) 02019 Published online: 23 January 2015 DOI: 10.1051/epjconf/20158302019