@article{33487,
      author       = "Ölander, V. R. and XII. General Assembly, International
                      Union of Geodesy and Geophysics, Helsinki, Finland - July -
                      August 1960",
      title        = "To the members of Special Study Group 14: Specifications
                      for Geodetic Network  ",
      year         = "1960",
      note         = "1 sv., 1 příl.",
}