@ARTICLE\{IMM1980-0267,
    author       = "H. Juel and R. F. Love",
    title        = "Sufficient conditions for optimal facility locations to coincide",
    year         = "1980",
    pages        = "125-129",
    journal      = "Transportation Science",
    volume       = "14",
    editor       = "",
    number       = "",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/267-full.html"
}