@article{9058,
      author       = "Symposium sur la Triangulation spatiale europeenne, fevrier
                      1969 - Paris",
      title        = "Experience made on the Adjustment of a Triangulation With
                      and Without Regard to Correlations. Provisional report
                      submited to the permanent international commission for
                      european triangulation. (Swiss Geodetic Commission)  ",
      year         = "1969",
      note         = "2 seš.",
}