@article{22332,
      author       = "30th Annual Meeting American Congress on Surveying and
                      Mapping, March 1 - 6, 1970",
      title        = "Papers from the 30th Annual Meeting American Congress on
                      Surveying and Mapping, March 1 - 6, 1970  ",
      year         = "1970",
      note         = "1 brož.",
}