@article{23379,
      author       = "Konference FIG Vídeň 1962",
      title        = "Polygonale Knotenpunktsysteme  ",
      year         = "1961",
      note         = "zvl. ot. z čas. Asta Technica Academ. Scient. Hungarica,
                      tom. 37, fasc. 3 - 4., 1961",
}