INTERNATIONAL INSTITUTE 
FOR 
AERIAL SURVEY 
AND 
EARTH SCIENCES (ITC) 
ENSCHEDE, THE NETHERLANDS 
  
  
  
  
INVITED PAPER FOR COMMISSION IV. 
H. G. JERIE 
PLANNING OF PHOTOGRAMMETRIC PROJEC 
  
  
TWELFTH CONGRESS OF THE INTERNATIONAL SOCIETY FOR PHOTOGRAMMETRY. OTTAWA 1872