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2a E 7 
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collection and registration and the principles of semiauto- 
matic topographic mapping. 
A bibliography is also included in the report. 
The report was prepared by Dr Carl-Olof Ternryd, Sweden, and 
discussed and finally designed during a conference in Torino, 
Italy, in March 1972. 
Two invited papers also belong to the report, namely: 
Application of Orthophotomaps in Highway Work, by Dr Ing 
W Blaschke, W Germany, 
and 
Semi Automated Large Scale Mapping by Mr M H Mac Leod, 
Canada. 
A paper on DTM-principles has also been prepared by Dr Ing 
& Benner and Dipl Ing R Schult, W Germany. 
The following persons have been active in the Working Group 
IV/I: during 1968-72. 
Civ Eng B Adolfsson, Sweden 
Dr M Baussart, France 
Dr Blaschke, W Germany 
Dipl Eng Brunnthaler, W Germany 
Civ Eng Cabrera, Mexico 
Civ Eng 
Dr 
Dr 
Prof Dr 
Cruickshank, Mexico 
Dequal, Italy 
Grist, England 
Inghilleri, Italy 
Prof Dr 
Prof Dr 
Dr 
Dr 
Dr 
Dr 
Prof 
W 
B 
B 
G 
S 
M 
G 
Prof Dr H Kasper, Switzerland 
K Linkwitz, W Germany 
K N Nakamura, Japan 
J Sima, Czeckoslovakia 
F Silar, Czeckoslovakia 
JP Stott, England 
C O Ternryd, Sweden 
A 
J van der Weele, Netherlands