INTERNATIONAL INSTITUTE 
FOR 
AERIAL SURVEY 
AND 
EARTH SCIENCES (ITC) 
ENSCHEDE, THE NETHERLANDS 
  
  
URBAN SURVEY WITH AERIAL PHOTOGRAPHY : 
A TIME FOR PRACTICE 
C.A. DE BRUIJN, W.G.L. DE HAAS, P. HOFSTEE, 
A.B.M. HIJL AND V.F.L. POLLÉ 
ISP COMMISSION VII, INVITED PAPER 
  
  
© Dire 
- 
THIRTEENTH CONGRESS OF THE INTERNATIONAL SOCIETY FOR PHOTOGRAMMETRY. HELSINKI 1976