Stick-slip instability for viscous fingering in a gelN. Puff, G. Debrégeas, J.-M. di Meglio, D. Higgins, D. Bonn and C. WagnerEurophys. Lett., 58 4 (2002) 524-529DOI: https://doi.org/10.1209/epl/i2002-00427-7