Family-Vicsek scaling of detachment fronts in Granular Rayleigh-Taylor instabilities during sedimentating granular/fluid flowsJ.L. Vinningland, R. Toussaint, M. Niebling, E.G. Flekkøy and K.J. MåløyEur. Phys. J. Special Topics, 204 (2012) 27-40DOI: https://doi.org/10.1140/epjst/e2012-01550-2