@article{24772,
      author       = "Proceedings of the American Congress on Surveying and
                      Mapping. 38th annual meeting. Washington, Febr. 26- March 4.
                      1978",
      title        = "Proceedings of the American Congress on Surveying and
                      Mapping. 38th annual meeting. Washington, Febr. 26- March 4.
                      1978  ",
      year         = "1978",
      note         = "1 sv.",
}