@MISC\{IMM1977-03779,
    author       = "V. V. Vidal and H. Ravn",
    title        = "En introduktion til Everett's teori og dens anvendelser",
    year         = "1977",
    pages        = "81",
    publisher    = "{IMSOR,} {DTH}",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/3779-full.html"
}