@CONFERENCE\{IMM1977-03796,
    author       = "V. V. Vidal and H. Ravn",
    title        = "Teaching {MS}/{OR} within the context of underdevelopment",
    year         = "1977",
    pages        = "16",
    booktitle    = "{TIMS} {XXIII} Congress, Athens, Greece",
    volume       = "",
    series       = "",
    editor       = "",
    publisher    = "",
    organization = "",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/3796-full.html"
}