@article{19296, author = "Bartorelli, Ugo and VIII International Congress of Photogrammetry, Stockholm, July 1956", title = "Nadiral Point Gyroscopic Aerial Triangulation According to the Nistri Method. A paper presented to the III Commission of the International Society of Photogrammetry at its VIII Congress in Stockholm ", year = "1956", note = "2 sv., 1 sv., 1 sv.", }