1. A study of the accumulation of fatigue damage in steel;Erickson,1961
2. Design of machine elements;Bhandari,2010
3. Mechanics applied to engineering;Goodman,1899
4. Calculation of allowable stresses in iron structures;Gerber;Bayer ArchitIngVer,1874
5. Factor of safety and working stress;Soderberg;Trans ASME,1930