@ARTICLE\{IMM2003-03071,
    author       = "J. M. Khalack and Y. Zolotaryuk and P. L. Christiansen",
    title        = "Discrete breathers in classical ferromagnetic lattices with easy-plane anisotropy",
    year         = "2003",
    pages        = "683-692",
    journal      = "Chaos",
    volume       = "13",
    editor       = "",
    number       = "2",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/3071-full.html"
}