Philip Baillie and  Stuart W. Campbell and  Alexander M. Galloway and  Stephen R. Cater and  Norman A. McPherson,  A Comparison of Double Sided Friction Stir Welding in Air and Underwater for 6mm S275 Steel Plate.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2014, vol. 92(8). 759 - 763
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/9998923.