@article{24807,
      author       = "Proceedings of the ITC post - kongress seminar held at
                      Delft from 29th July to 2nd August 1968",
      title        = "Proceedings of the ITC post - kongress seminar held at
                      Delft from 29th July to 2nd August 1968  ",
      year         = "1969",
      note         = "1 brož.",
}