@article{35025,
      author       = "Salmenperä, Hannu and Vehkaperä, Heikki and XIII.
                      Congress of the International Society for Photogrammetry,
                      Helsinki, 1976",
      title        = "The Use of a Minicomputer in Photogrammetric Data Logging
                      and Data Processing  ",
      year         = "1976",
      note         = "1 sv.",
}