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ITALY
DEPARTMENT OF FINANCE
GENERAL DIRECTION OF CADASTRAL SURVEY AND OF THE TECHNICAL SERVICES
ON THE MOST SUITABLE EQUIDISTANCE
OF CONTOUR LINES
IN AIR SURVEYED MAPS
Communication by Prof. Eng. Alfredo Paroli
to the 7th International Congress of Photogrammetry
Washington, 1952
'"SCUDO! ^ TIP, *M. MARIZ? - BOLZANO