@TECHREPORT\{IMM2001-01141,
    author       = "R. Larsen and J. D. Hansen",
    title        = "Operation analysis of insulation materials",
    year         = "2001",
    number       = "",
    series       = "",
    institution  = "Informatics and Mathematical Modelling, Technical University of Denmark, {DTU}",
    address      = "Richard Petersens Plads, Building 321, {DK-}2800 Kgs. Lyngby",
    type         = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/1141-full.html",
    isbn_issn    = "IMM-TR-2001-3"
}