@article{4601,
      author       = "Jacobsen, K. and XIII. Congress of the International
                      Society for Photogrammetry, Helsinki, 1976. Commission III",
      title        = "Control by Bundle Adjustmant Test Königshügel.
                      Festpunktverdichtung durch Bündelblockausglůeichung Test
                      Königshügel  ",
      year         = "1976",
      note         = "1 sv.",
}