@article{408,
      author       = "Strasser, G.J. and Schwendener, H. R. and FIG and XI.
                      Kongres FIG, Řím 1965",
      title        = "A North-Seeking Gyro Attachment for the Theodolite, as a
                      New Aid to the Surveyor  ",
      year         = "1964",
      note         = "2 seš. - více autorů - viz Schwendener, H.R., viz Wild",
}