@ARTICLE\{IMM2002-01639,
    author       = "M. P. S{\o}rensen and M. Brio and G. M. Webb and J. V. Maloney",
    title        = "Solitary waves steepening and initial collapse in the Maxwell-Lorentz system",
    year         = "2002",
    pages        = "287-303",
    journal      = "Physica D",
    volume       = "170",
    editor       = "",
    number       = "",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/1639-full.html"
}