@article{1212,
      author       = "Schut, G. H. and National research council of Canada",
      title        = "An analysis of methods in analytical aerial triangulation,
                      including their mathematical formulation for use on
                      electronic computers and practical results  ",
      year         = "1957",
      note         = "Photogrammetric Research. - ÚSGK Praha 11.10.1962. - 1
                      sv.",
}