Hyun-Ho Kim and  Seok-Jae Lee and  Oh-Yeon Lee,  Effect of Zr Addition on Mechanical Properties of Cr-Mo Plastic Mold Steels.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2013, vol. 82(10). 738 - 741
    [viewed 18 April 2024]. Available from: https://publications.waset.org/pdf/17119.