@MISC\{IMM2001-0441,
    author       = "P. S. Hansen",
    title        = "Methods and apparatuses for encoding and displaying stereograms",
    year         = "2001",
    keywords     = "Patent application, stereoscopy, anaglyph,",
    publisher    = "",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/441-full.html",
    abstract     = "[Patentans{\o}gning {PCT}/DK00/00448, videref{\o}rt februar 2002]"
}