@ARTICLE\{IMM2002-01474,
    author       = "H. Bechmann and M. K. Nielsen and N. K. Poulsen and H. Madsen",
    title        = "Grey-box modelling of aeration tank settling",
    year         = "2002",
    pages        = "1887-1895",
    journal      = "Water research",
    volume       = "36",
    editor       = "",
    number       = "7",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/1474-full.html"
}