Report on the measuring of the Research flights 1.3.5 in the Oberriet area in October 1954, 01/11/1954
Report of the activities for Commission C carried out in Delft, 01/11/1954
Report on the activities of Commission C, 15/12/1954
Report on the sample mapping after the experimental measuring in Oberriet, 12/03/1955
Results and correction of errors by Technical High School of Stuttgart for the measuring in Oberriet, 05/1955
Report on the activities carried out by the Florence's EIRA centre until March 1956
Minutes of the restitution of the test flights of Group I of Commission C in the Oberriet range, 31/03/1956
Minutes of the centre Zeiss Aerotopograph on restitutions for OEEPE Commission C, 12/03/1956
Report on the measuring of the experimental flights 2,4,6 in the Oberriet area from July to September 1955, 18/10/1955
Report on the correction of errors in the Oberriet range, 14/11/1955
Report on the measurement of flight 1 and 3 Group I Commission C by IAG Frankfurt plus annexes, 01/12/1955
Report on the calculations and corrections of errors for the measurement of flight 1 and 3 Group I Commission C, 27/12/1955
Report on the work hitherto achieved by Commission C of the OEEPE, 01/1965
Report on the advancement of the activities of Commission C as on 15 January 1956, 15/01/1956
Report on the establishment of a test field, 14/03/1956
Monthly report by President Lehman on the activities of Commission C plus related letter Lehman to Verlaine, 15 to 19/03/1956
Report on the measuring of the test flights of Group I in the Oberriet area, 31/03/1956
List of the main errors found during the experiments until 1 April 1956, 04/04/1956
Report on the calculations programme in the Vienna centre of the OEEPE Commision C, 22/10/1956
Report on the activities of Commission C by Lehman, 23/04/1956
Report on measuring of the test programme Oberriet, 30/04/1956
Summary of answers to Circular of 17 December 1956
Report on the first results of the mass tests in Oberriet,, and related tables and correspondence, 02/1958
Guidelines for tests in the Reichenbach region, 05/12/1959
Report on the previous activities of Commission C
Report on measuring the Image Twins

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