Jung-Ho Moon and  Tae Kwon Ha,  Alloying Effect on Hot Workability of M42 High Speed Steel.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2014, vol. 87(3). 225 - 227
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/9997843.