@CONFERENCE\{IMM2004-03550,
    author       = "H. A. Nielsen and H. Madsen",
    title        = "Modelling the Heat Consumption in District Heating Systems using a Grey-box approach",
    year         = "2004",
    month        = "may",
    booktitle    = "Proceedings of the International Workshop on Dynamic Analysis Methods Applied to Energy Performance Assessment of Buildings",
    volume       = "",
    series       = "",
    editor       = "",
    publisher    = "",
    organization = "",
    address      = "Warsaw, Polen",
    url          = "http://www.paslink.org"
}