@article{32304,
      author       = "Hallmén, Bo and International Course Lasers in Surveying
                      and Construction, Stockholm 1973",
      title        = "Technical and Economical Aspects When Using Laser
                      Tachymeters and Automatic Recording Systems in Civil
                      Engineering  ",
      year         = "1973",
      note         = "1 sv.",
}