@article{473,
      author       = "Hölscher, H. D. and VI. Internat. Kurs für IG hoher
                      Präzision - Graz, 1970 Themenkreis 1",
      title        = "A short range highly accurate elektrooptical distance
                      measuring equimpent  ",
      year         = "1970",
      note         = "1 seš.",
}