@article{11421,
      author       = "Hallert, B. and X. kongres Mezinárodní fotogrammetrické
                      společnosti v Lisabonu 1964",
      title        = "The Geometrical Quality of Rays, Reconstructed from
                      Photographs  ",
      year         = "1964",
      note         = "1 seš., Kom. II., Pure and Applied Mathematics and Physics
                      25",
}