@article{21273,
      author       = "Marčák, Peter and International Conference on Geodetic
                      Measuring Technique and Inastrument Problems I. - IV.,
                      Budapest, 14. - 20. April 1966",
      title        = "On Accuracy of Hydrostatic Levelling. Sumary  ",
      year         = "1966",
      note         = "1 list",
}