@ARTICLE\{IMM2001-0903, author = "H. Jonsdottir and J. L. Jacobsen and H. Madsen", title = "A grey box model describing the hydraulics in a creek", year = "2001", pages = "347-356", journal = "Environmetrics", volume = "12", editor = "", number = "4", publisher = "", url = "http://www2.compute.dtu.dk/pubdb/pubs/903-full.html" }