1. Gassner, E.: Festigkeitsversuche mit wiederholter Beanspruchung im Flugzeugbau (Strength tests under repeated loading for aeronotical engineering). Luftwissen 6, 61–64 (1939)
2. Schütz, D., Gerharz, J.J.: ENSTAFF—A standard test sequence for composite components combining load and environment. In: Simpson DL, editor. New materials and fatigue resistant aircraft design. 14th International Conference on Aeronautical Fatigue (ICAF), Ottawa, Ont, 425–444 (1987)
3. Schütz, W.: Standardized stress-time histories—An overview, development of fatigue loading spectra. ASTMSTP 1006, Potter J.M. and Watanable, R.T., American Society for Testing and Materials, Philadelphia, 3–16 (1989)
4. Ten Have, A.A.: European approaches in standard spectrum development of fatigue loading spectra, ASTM STP 1006, Potter J.M., and Watanable, R.T., American Society for Testing and Materials, Philadelphia, 17–35 (1989)
5. Breitkopf, G.E.: Basic approach in the development of TURBISTAN, a loading standard for fighter aircraft engine disks. Development of Fatigue Loading Spectra, ASTM STP 1006, Potter J. M. and Watanable, R. T., American Society for Testing and Materials, Philadelphia, 65–78 (1989)