@article{409,
      author       = "Schlund, R. A. and 11. Kongres Mezinárodní
                      fotogrammetrické spol. Lausanne, 8. - 20. 7. 1968, Commiss.
                      4.",
      title        = "A numerical - Photogrammetric survey of highest accuracy  ",
      year         = "1968",
      note         = "1 seš.",
}