@BOOK\{IMM1991-04271,
    author       = "J. M. Carstensen",
    title        = "{\O}velser i statistisk billedbehandling",
    year         = "1991",
    volume       = "",
    number       = "",
    series       = "",
    publisher    = "Institute of Mathematical Statistics and Operations Research, Technical University of Denmark",
    address      = "Lyngby",
    edition      = "",
    note         = "28 pp.",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/4271-full.html"
}