1. Lenard, G.F., Primer on Flat Rolling – A monograph for those who need to understand the basics of the flat rolling process. Elsevier.
2. ASM HANDBOOK, Volume 14, Forming and Forging, (1996).
3. Metal fatigue in Engineering;Stephens,2001
4. Contact Mechanics;Johnson,1985
5. DIN 50113; Testing of metals; Rotating bar bending fatigue test; 1982.