Front roughening in three-dimensional imbibition M. Dubé, C. Daneault, V. Vuorinen, M. Alava and M. Rost Eur. Phys. J. B, 56 1 (2007) 15-26 Published online: 28 March 2007 DOI: 10.1140/epjb/e2007-00085-7