@CONFERENCE\{IMM1986-03820,
    author       = "V. V. Vidal and M. Thorsen",
    title        = "{ES} and {OR}: Trends of interplay",
    year         = "1986",
    pages        = "20",
    booktitle    = "EURO'86",
    volume       = "",
    series       = "",
    editor       = "",
    publisher    = "",
    organization = "",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/3820-full.html"
}