Does roughening of rock-fluid-rock interfaces emerge from a stress-induced instability? E. Bonnetier, C. Misbah, F. Renard, R. Toussaint and J.-P. Gratier Eur. Phys. J. B, 67 1 (2009) 121-131 Published online: 09 January 2009 DOI: 10.1140/epjb/e2009-00002-2