Mihai Brânzei and  Tudor Coman,  Structure Improvement of Aluminothermic Welding Joints by Using Modifiers.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2012, vol. 68(8). 745 - 748
    [viewed 17 October 2019]. Available from: https://publications.waset.org/pdf/8439.