@article{745,
      author       = "Kruip, P. C. J. de and Symposium sur la Triangulation
                      spatiale européenne février 1969 - Paris",
      title        = "The Adjustment of the Primary Triangulation of the
                      Netherlands. A preliminary report on the computations in the
                      period 1965 - 1968, related to the New Adjustment of the
                      European Triangulatien  ",
      year         = "1969",
      note         = "2 seš.",
}