Ultrafast ultrasonic imaging of dynamic sliding friction in soft solids: The slow slip and the super-shear regimesS. Latour, T. Gallot, S. Catheline, C. Voisin, F. Renard, E. Larose and M. CampilloEPL, 96 5 (2011) 59003DOI: https://doi.org/10.1209/0295-5075/96/59003