@CONFERENCE\{IMM1988-02766,
    author       = "N. K. Poulsen and J. Holst",
    title        = "Simultanous Estimation of Innovations variance and States in a Dynamic System",
    year         = "1988",
    pages        = "1263-1269",
    booktitle    = "Identification and System Parameter Estimation, Beijing, China",
    volume       = "2",
    series       = "",
    editor       = "",
    publisher    = "",
    organization = "",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/2766-full.html"
}