@article{9948,
      author       = "Hallert, B. and 9. Mezinárodní fotogram. kongres, Londýn
                      1960 International Society for Photogrammetry SUB -
                      Commission IV : 4",
      title        = "Fundamental questions in relation to controlled
                      experiments. Report on work performed during the period 1958
                      - 1960  ",
      year         = "1960",
      note         = "1 sv.",
}