@CONFERENCE\{IMM1989-03482,
    author       = "H. Holst",
    title        = "Principal komponent analyse: En metode til reduktion af store datam{\ae}ngder",
    year         = "1989",
    booktitle    = "ATV-m{\o}de: Statistiske metoders anvendelse ved forureningsunders{\o}gelser",
    volume       = "",
    series       = "",
    editor       = "",
    publisher    = "ATV",
    organization = "",
    address      = "Denmark",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/3482-full.html"
}