1. History of Tribology;Dowson,1979
2. Ueber die innere Reibung der Lösungen einiger Chromate
3. The life of ball bearings;Palmgren;Z-VDI,1924
4. Dynamic capacity of rolling bearings;Lundberg;Acta Polytechnica, Mech Eng. Ser.,1947
5. The Statistical Theory of the Strength of Materials;Weibull,1939