@CONFERENCE\{IMM1997-01695, author = "H. A. Nielsen and T. S. Nielsen and H. Madsen", title = "Local fitting of autoregressive models with external input", year = "1997", pages = "175-188", booktitle = "Symposium i anvendt statistik", volume = "", series = "", editor = "Helle Holst and Lisbeth La Cour and Agnar H{\o}skuldsson", publisher = "", organization = "", address = "DTU", url = "http://www2.compute.dtu.dk/pubdb/pubs/1695-full.html" }