@TECHREPORT\{IMM1999-0421,
    author       = "A. Larsen and O. B. Madsen and M. S. Solomon",
    title        = "Partially Dynamic Vehicle Routing - Models and Algorithms",
    year         = "1999",
    keywords     = "dynamic vehicle routing,",
    pages        = "16",
    number       = "",
    series       = "",
    institution  = "IMM",
    address      = "The Technical University of Denmark",
    type         = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/421-full.html",
    isbn_issn    = "IMM-REP-1999-16"
}