Commission IV 
Presented Paper 
italy 
ELEVENTH CONGRESS OF INTERNATIONAL SOCIETY 
OF PHOTOGRAMMETRY 
LAUSANNE, JULY 8th-20th 1968 
COMMISSION IV 
MAPPING FROM 
PHOTOGRAPHS 
M. FONDELLI 
FURTHER STATISTICAL RESEARCHES ON THE INFLUENCE 
OF GROUND CONTROL ERRORS IN PHOTOGRAMMETRIC 
PLOTTING 
1968 
Ga 
cmt 
~J