1. Y. Qi., D. Ju., H. Quan and Z. Liying 2000 ‘Electron Beam Welding, Laser Beam Welding and Gas Tungsten Arc Welding of Titanium Sheet’, Mater. Sci. Eng., A280, 177–181
2. R.P. Simpson: Refinement of Weld Fusion Zones in Alpha–Beta Titanium Alloys, Weld. J.; 1977, 56, 67s.
3. G. Madhusudhan Reddy, Welding of Aluminium and Alloys, Proceedings of ISTE Summer School on Recent Developments in Materials Joining, Annamalai University, 2001
4. K. Prasad Rao, Fusion Zone Grain Refinement in GTA Welds Using Magnetic Arc Oscillation and Current Pulsing, RAMP, 2001, p 176–196
5. G. Madhusudhan Reddy, A.A. Gokhale, and K. Prasad Rao, Optimization of Pulse Frequency in Pulsed Current Gas Tungsten Arc Welding of Al-Lithium Alloy Steels, Mater. Sci. Technol., 1993, 14, p 61–66