Report on technical questionnaire (Form A) on revision of topographical maps 1:25000 with the aid of photogrammetry in test area Freiburg
Report for the 13rd Congress of the International Society of Photogrammentry on topographiocal mapping 1:10000, 1976
Technical questionnaires (Forms B and C/D, both stereoscopic and ortophoto evaluation) on revision of topographical maps 1:25000 with the aid of photogrammetry in test area Freiburg
Report to the Steering Committee,05/10/1976
Report on verification and evaluation procedure for test Freiburg, 25/06/1978
Report to the Steering Committee, 08/10/1978
Final report of Freiburg test on revision of topographic maps 1:25000 with photogrammetric methods, 06/1978

English, French, German

Textual

Not issued : Circular 11 and related questionnaire on the same subject