@CONFERENCE\{IMM2003-03504,
    author       = "Y. Zolotaryuk and P. L. Christiansen and M. Salerno",
    title        = "Ratchet-like motion of ac driven topological solitons",
    year         = "2003",
    pages        = "309-315",
    booktitle    = "Nonlinear Physics: Theory and Experiment {II}",
    volume       = "",
    series       = "",
    editor       = "M.J.Ablowitz, M.Boiti, F.Pempinelli and B.Prinari",
    publisher    = "World Scientific",
    organization = "",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/3504-full.html"
}