@article{25349,
      author       = "Schrader, Bodo and Second Internat.Symposium on Geodetic
                      Calculations Brussels, 6th - 11th June, 1966",
      title        = "Propagation of errors in schematic chains of triangles in
                      space with measured distances  ",
      year         = "1966",
      note         = "1 seš.",
}