@INCOLLECTION\{IMM2005-03641,
    author       = "B. Kallehauge and J. Larsen and O. B. G. Madsen and M. Solomon",
    title        = "The Vehicle Routing Problem with Time Windows",
    year         = "2005",
    month        = "apr",
    booktitle    = "Column Generation",
    volume       = "",
    number       = "",
    series       = "",
    publisher    = "Springer",
    address      = "",
    edition      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/3641-full.html"
}