@ARTICLE\{IMM1988-0283,
    author       = "H. Juel and R. F. Love",
    title        = "A localization property for facility location problems with arbitrary norms",
    year         = "1988",
    pages        = "203-207",
    journal      = "Naval Research Logistics",
    volume       = "35",
    editor       = "",
    number       = "",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/283-full.html"
}