@article{4530,
      author       = "Baarda, W. and Alberda, J. E. and Douzieme Assemblée
                      Générale de l'Union Géodésique et Géophysique
                      Internationale. Helsinki, 26. Juillet - 6. Aout 1960",
      title        = "The Connection of Geodetic Adjustment Procedures with
                      Methods of Mathematical Statistics  ",
      year         = "1960",
      note         = "1 sv., Computing Centre of the Delft Geodetic Institute",
}