@CONFERENCE\{IMM2007-05091,
    author       = "B. M. {\AA}kesson and J. B. J{\o}rgensen and N. K. Poulsen and S. B. J{\o}rgensen",
    title        = "Estimation of noise covariances and identification of disturbance structure",
    year         = "2007",
    month        = "sep",
    booktitle    = "European Congress of Chemical Engineering - 6",
    volume       = "",
    series       = "",
    editor       = "",
    publisher    = "",
    organization = "",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/5091-full.html"
}