%0 Journal Article %A N. Dirr %A N.K. Yip %T Pinning and de-pinning phenomena in front propagation in heterogeneous media %J Interfaces and free boundaries %D 2006 %P 79-109 %V 8 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4171/ifb/136/ %R 10.4171/ifb/136 %F 10_4171_ifb_136