@MASTERSTHESIS\{IMM2006-04915,
    author       = "A. Dohn and E. Kolind",
    title        = "A Practical Branch and Price Approach to the Crew Scheduling Problem with Time Windows",
    year         = "2006",
    school       = "Informatics and Mathematical Modelling, Technical University of Denmark, {DTU}",
    address      = "Richard Petersens Plads, Building 321, {DK-}2800 Kgs. Lyngby",
    type         = "",
    note         = "Supervised by prof. Jens Clausen, {IMM}. Thesis not public avaiable.",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/4915-full.html"
}