1. R. Kuziak, R. Kawalla and S. Waengler, Arch Civ Mech Eng, 2008, 8, 103-117.
2. J. Li, S. S. Nayak, E. Biro, S. K. Panda, F. Goodwin and Y. Zhou, Materials & Design, 2013, 52, 757-766.
3. M. P. Miles, J. Pew, T. W. Nelson and M. Li, Friction Stir Welding Processing III, 2005, 91-96.
4. C. Thomy, T. Seefeld and F. Vollertsen, Sheet Metal 2005, 2005, 6-8, 171-178.
5. F. Vollertsen, Sheet Metal 2005, 2005, 6-8, 59-70.