Invitation to the fourth meeting of the Commission A/B, 14/08/1971
Lecture 7, 33. Photogrammetric Week 1971, on Upper Swabia aerotriangulation, by Ackermann
Draft report on the trial "Independent couples", 18/10/1971
Minutes of the fourth meeting of the Commission A/B, Liege, 18–19/10/1971. Relevant subjects: President report on the trial "Independent couples, "Upper Swabia" experiment programme 1, "Upper Swabia" experiment programme 2, developments of the two programmes
Final version of the report on the experiment "Independent couples", 23/03/1972
Report on Upper Swabia experiments, 7/01/1973
Minutes of the fifth meeting of the Commission A/B, Liege, 4–5/04/1974. Relevant subjects: conclusions on Brussels symposium, current status of programme 1 experiments, current status of programme 2 experiments, development of the current and new programmes and examination of the subjects passing from Commission F to Commission A/B
Research proposal by Cunietti (Milan's Politecnico, Italy) on photographic material of the Upper Swabia range, March 1974
English report on work on Programme 1, 3/4/1974

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