@CONFERENCE\{IMM2004-03547,
    author       = "H. A. Nielsen and H. Madsen and P. S{\o}rensen",
    title        = "Ultra-short term wind speed forecasting",
    year         = "2004",
    month        = "nov",
    booktitle    = "Proceedings of the European Wind Energy Conference \& Exhibition",
    volume       = "",
    series       = "",
    editor       = "",
    publisher    = "",
    organization = "",
    address      = "London",
    url          = "http://www.ewea.org"
}