Pattern and velocity selection of fronts propagating in modulated media J. Armero, A. M. Lacasta, L. Ramírez-Piscina, J. Casademunt, J. M. Sancho and F. Sagués Europhys. Lett., 33 6 (1996) 429-434 Published online: 01 September 2002 DOI: 10.1209/epl/i1996-00357-4