4 
3 1 7 
Xlth CONGRESS OF THE INTERNATIONAL SOCIETY FOR PHOTOGRAMMETRY 
Lausanne, 8—20 July, 1968 
General Report o! Commission IV 
Application of Photogrammetry 
for Mapping and Surveying the Earth’s Surface 
By 
L. S k I à d a I 
and R.Kudelasek 
Praha, Czechoslovakia 
1968