@TECHREPORT\{IMM1998-01699,
    author       = "H. A. Nielsen and K. K. Andersen and H. Madsen",
    title        = "Empirisk bestemt model for elforbruget i {\O}stdanmark",
    year         = "1998",
    pages        = "12",
    number       = "",
    series       = "Technical report nr. 18",
    institution  = "Institut for Matematisk Modellering, Danmarks Tekniske Universitet, Lyngby",
    address      = "",
    type         = "",
    url          = "http://www.imm.dtu.dk/English.aspx"
}