@TECHREPORT\{IMM1986-0338,
    author       = "H. Juel and R. F. Love",
    title        = "A geometrical interpretation of the existing facility solution condition for the Weber problem",
    year         = "1986",
    number       = "",
    series       = "{IMSOR} Research Report 11/1986",
    institution  = "Institute of Mathematical Statistics and Operations Research, Technical University of Denmark",
    address      = "",
    type         = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/338-full.html"
}