1. W.M. Thomas, E.D. Nicholas, J.C. Needham, M.G. Murch, P. Templesmith, and C.J. Dawes, Friction Stir Welding. International Patent Application, G.B.9125978.8 (Patent), December 1991, Friction Stir Welding and Processing, R.S. Mishra, M.W. Mahoney, R.S. Mishra, and M.W. Mahoney, Ed., ASM International, Materials Park, OH, 2007, p 1
2. T. Shinoda, H. Tokisue, and M. Enomoto, Recent Trends of Research and Development of FSW Technology in Japan, 3rd International FSW Symposium, September 27–28, 2001 (Kobe, Japan), TWI, 2001. Retrieved: CD-ROM
3. P.L. Threadgill, Terminology in Friction Stir Welding, Sci. Technol. Weld. Join., 2007, 12(4), p 357–360
4. R. Nandan, T. DebRoy, and H.K.D.H. Bhadeshia, Recent Advances in Friction Stir Welding—Process, Weldment Structure and Properties, Prog. Mater. Sci., 2008, 53, p 980–1023
5. K. Kumar and S.V. Kailas, The Role of Friction Stir Welding Tool on Material Flow and Weld Formation, Mater. Sci. Eng. A, 2008, 485, p 367–374