@article{10443,
      author       = "Agarwal, Colonel G.C. and Prafulla, R. Datta and XIII.
                      Congress of the International Society for Photogrammetry,
                      Helsinki, 1976. Commission V",
      title        = "Geodetic and Photogrammetric Techniques in Close Range
                      Measurements - a Comparative Study  ",
      year         = "1976",
      note         = "1 sv.",
}