@article{31655,
      author       = "Talts, J. and XIIth International Congress for
                      Photogrammetry. Ottawa, 23 July to 5 August, 1972",
      title        = "Sweden. National Report to the XIIth International Congress
                      for Photogrammetry. Ottawa, 23 July to 5 August, 1972  ",
      year         = "1972",
      note         = "1 sv.",
}