1. Peter W. Muncaster, Practical TIG (GTA) welding a survey of the process and equipment, Abington Publishing Woodhead Publishing Ltd in association with The Welding Institute Cambridge England.
2. AWS A5.18/A5.18M:2005, An American National Standard, Specification for Carbon Steel Electrodes and Rods for Gas Shielded Arc Welding prepared by AWS A5 Committee on Filler Metals and Allied Materials.
3. Tony Anderson, CEng, FWeldI, CWEng, A Practical Guide for Troubleshooting Aluminum Welding-Related Problems, 2nd Ed., ISBN: 978-0-87171-085-7.
4. Bastin B.J. et.al., AWS welding hand book: Vol 5, Material and Applications, Part 2.
5. Omar Hatamleh a, Jed Lyons b, Royce Forman c, Laser and shot preening effects on fatigue crack growth in friction stir welded 7075-T7351 aluminum alloy joints, Int. J. Fatigue 29(3):421-434; 2007.