@PHDTHESIS\{IMM1989-01217,
    author       = "B. K. Nielsen",
    title        = "Transformations and Classifications of Remotely Sensed Data - Theory and Geological Cases",
    year         = "1989",
    pages        = "297 pp.",
    school       = "{IMSOR,} Technical University of Denmark, {DTU}",
    address      = "Richard Petersens Plads, Building 321, {DK-}2800 Kgs. Lyngby",
    type         = "",
    url          = "http://www.compute.dtu.dk/English.aspx"
}