@PHDTHESIS\{IMM1994-02071,
    author       = "J. M. Rygard",
    title        = "Design and optimization of flexible manufacturing systems",
    year         = "1994",
    pages        = "232 s.",
    school       = "Informatics and Mathematical Modelling, Technical University of Denmark, {DTU}",
    address      = "Richard Petersens Plads, Building 321, {DK-}2800 Kgs. Lyngby",
    type         = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/2071-full.html"
}