@article{27752,
      author       = "Krarup, Torben",
      title        = "Rounding Errors in Large Geodetic Networks. Numerical
                      Aspects of Geodetic Adjustments  ",
      year         = "1967",
      note         = "I. A. G. Section I: Geometric Geodesy XIV. General Assembly
                      28/9 1967, 1 sv.",
}