@ARTICLE\{IMM2004-04236, author = "N. R. Kristensen and H. Madsen and S. B. J{\o}rgensen", title = "Parameter estimation in stochastic grey-box models", year = "2004", pages = "225-237", journal = "Automatica", volume = "40", editor = "", number = "", publisher = "", url = "http://www2.compute.dtu.dk/pubdb/pubs/4236-full.html" }