@article{22901,
      author       = "Cauthier, J. R. R. and XIIth Congress of the International
                      Society of Photogrammetry in Ottawa 1972",
      title        = "The Planimetric Adjustment of Very Large Blocks of Models :
                      Its Application to Topographical Mapping in Canada  ",
      year         = "1972",
      note         = "1 sv.",
}