Chris M. Taylor and  Ian Cook and  Raul Alegre and  Pedro Arrazola and  Phil Spiers,  Tool Damage and Adhesion Effects in Turning and Drilling of Hardened Steels.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2016, vol. 119(11). 1375 - 1380
    [viewed 12 November 2019]. Available from: https://publications.waset.org/pdf/10005770.