@TECHREPORT\{IMM1998-02705,
    author       = "M. N{\o}rgaard and N. K. Poulsen and O. Ravn",
    title        = "A Note on the {C-}implementation of a New Procedure for Guide Mark based Pose Estimation",
    year         = "1998",
    month        = "nov",
    number       = "98-E-87",
    series       = "",
    institution  = "Department of Automation, The Technical University of Denmark",
    address      = "",
    type         = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/2705-full.html"
}