@article{4347,
      author       = "Ageby, Benny and Larsson, Jan and XIII. Congress of the
                      International Society for Photogrammetry, Helsinki, 1976.
                      Commission V",
      title        = "Complementing Basic Large Scale Maps (Primärkarta) Using
                      Terrestrial Photogrammetry  ",
      year         = "1976",
      note         = "1 sv.",
}