@article{31152,
      author       = "Meier, H. K. and XIIth Congress of the International
                      Society of Photogrammetry in Ottawa 1972",
      title        = "The StR 1-3 Stereo X-Ray Comparator - a simple
                      streopletting system for X-ray diagnasis  ",
      year         = "1972",
      note         = "1 sv.",
}