@TECHREPORT\{IMM1984-0337,
    author       = "H. Juel and R. F. Love",
    title        = "The facility location problem for hyper-rectilinear distances",
    year         = "1984",
    number       = "",
    series       = "{IMSOR} Research Report 25/1984",
    institution  = "Institute of Mathematical Statistics and Operations Research, Technical University of Denmark",
    address      = "",
    type         = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/337-full.html"
}