@article{321,
      author       = "Bowker, Oscar W. and A personal paper for Commission 5.
                      XIII Congress, FIG, Wiesbaden, Germany, 1 - 10 September,
                      1971",
      title        = "A Lightweigh, Automatic, Electrically Damped, Pendulous,
                      Gyroskopic Surveying Instrument  ",
      year         = "1971",
      note         = "1 seš.",
}