P. R. Prabhu and  S. M. Kulkarni and  S. S. Sharma,  An Experimental Investigation on the Effect of Deep cold Rolling Parameters on Surface Roughness and Hardness of AISI 4140 Steel.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2011, vol. 60(12). 2632 - 2637
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/11489.