@BOOK\{IMM1984-03733,
    author       = "V. V. Vidal and J. Lyngvig",
    title        = "Offentlig Planl{\ae}gning i Danmark (in Danish)",
    year         = "1984",
    volume       = "",
    number       = "",
    series       = "",
    publisher    = "Akademisk Forlag",
    address      = "",
    edition      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/3733-full.html"
}