1. DIN 50 100;, Dauerschwingversuch, Beuth-Verlag (1985).
2. The Statistical Behavior of Fatigue Properties and the Influence of Metallurgical Factors. In: Symp. on Fatigue with Emphasis on Statistical Approach, ASTM STP No. 137, P. 3/21.
3. Statistical an Physical Research on Scatter Laws in Fatigue Tests. Cit. in (edit): Fatigue in Aircraft Structures, Oxford, Ldn., N. Y., Paris (1963) Pergamon Press.