@article{16145,
      author       = "Ellefsen, Richard and Peruzzi, Duilio and XIII. Congress of
                      the International Society for Photogrammetry, Helsinki,
                      1976. Commission VII",
      title        = "Land-Use Change Detection from LANDSAT and Skylab
                      Satellites  ",
      year         = "1976",
      note         = "1 sv.",
}