@ARTICLE\{IMM2005-04137,
    author       = "D. Bj{\o}rner",
    title        = "Train Column",
    year         = "2005",
    pages        = "14-16",
    journal      = "British Computer Society {FACS} {FACT}",
    volume       = "",
    editor       = "Paul Boca",
    number       = "3",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/4137-full.html"
}