@TECHREPORT\{IMM1998-01700,
    author       = "H. A. Nielsen and H. Madsen",
    title        = "Some Tools for Identification of Nonlinear Time Series",
    year         = "1998",
    number       = "16",
    series       = "",
    institution  = "Department of Mathematical Modelling, Technical University of Denmark, {DK-}2800 Lyngby, Denmark",
    address      = "",
    type         = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/1700-full.html"
}