@ARTICLE\{IMM1999-02695,
    author       = "H. Bechmann and H. Madsen and N. K. Poulsen and M. K. Nielsen",
    title        = "Grey-Box modelling of polutant loads from a sewer system",
    year         = "1999",
    pages        = "71-78",
    journal      = "Urban Water",
    volume       = "1",
    editor       = "",
    number       = "",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/2695-full.html"
}