TY - JOUR AU - N. Dirr AU - N.K. Yip TI - Pinning and de-pinning phenomena in front propagation in heterogeneous media JO - Interfaces and free boundaries PY - 2006 SP - 79 EP - 109 VL - 8 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4171/ifb/136/ DO - 10.4171/ifb/136 ID - 10_4171_ifb_136 ER -