L.C. Kgomari and  R.K.K.Mbaya,  Metallographic Analysis of Laser and Mechanically Formed HSLA Steel.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2010, vol. 46(10). 643 - 648
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/6016.