@ARTICLE\{IMM2004-03427,
    author       = "N. I. Nikolov and D. Neshev and W. Krolikowski and O. Bang and J. J. Rasmussen and P. L. Christiansen",
    title        = "Attraction of nonlocal dark optical solitons",
    year         = "2004",
    pages        = "286-288",
    journal      = "Optics Letters",
    volume       = "29",
    editor       = "",
    number       = "3",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/3427-full.html"
}