@article{23838, author = "Nistri, Umberto and OMI and VIII International Congress of Photogrammetry, Stockholm, July 1956", title = "Practical and Constructive Criteria Basic to My Recent Photogrammetric Plotters. Address to the VIII International Congress of Photogrammetry, Stockholm 1956 ", year = "1956", note = "2 sv., 1 sv., 1 sv.", }