@CONFERENCE\{IMM2007-05474,
    author       = "N. J. Rezanova and D. M. Ryan",
    title        = "Solving the Train Driver Recovery Problem",
    year         = "2007",
    booktitle    = "2nd International Seminar on Railways Operations Research (ISROR), 28-30 March, 2007, Hannover (Germany)",
    volume       = "",
    series       = "",
    editor       = "",
    publisher    = "",
    organization = "",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/5474-full.html"
}