UMBERTO NISTRI 
INFLUENCE OF ANALYTICAL AERIAL 
TRIANGULATION PERFORMED WITH 
STEREOCOMPARATORS AND ELECTRONIC 
COMPUTORS IN THE CONSTRUCTION 
AND USE OF PHOTOGRAMMETRICAL 
PLOTTERS 
COMMUNICATION AT THE IX INTERNATIONAL CONGRESS 
OF PHOTOGRAMMETRY - LONDON 
5-17. SEPTEMBER 1960 
IL Commission 
ROMA 1960