@ARTICLE\{IMM2004-02064,
    author       = "J. V. S{\o}rensen and H. Madsen",
    title        = "Data assimilation in hydrodynamic modelling: on the treatment of non-linearity and bias",
    year         = "2004",
    pages        = "228 - 244",
    journal      = "Stochastic Environmental Research and Risk Assessment",
    volume       = "18",
    editor       = "",
    number       = "4",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/2064-full.html"
}