NLR rapport TR 74030 C d.d. 18-2-1974. Stress changes measured during the loosening of the skins from attach ribs, wing to fuselage, of the NF5 … TD-207 NLR rapport TR 75088 C d.d. juni 1975. Stress changes measured during the mounting of new attach ribs, wing to fuselage, of the NF-5 … TD-223 NLR rapport TR 80003 C d.d. 8-7-1980. Stress changes in flanges of new attach ribs caused by assembly, mounting and setting of the NF-5 …