@ARTICLE\{IMM1983-0277,
    author       = "H. Juel and R. F. Love",
    title        = "Hull properties in location problems",
    year         = "1983",
    pages        = "262-265",
    journal      = "European Journal of Operational Research",
    volume       = "12",
    editor       = "",
    number       = "",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/277-full.html"
}