1. Chandrasekhar N. and Vasudevan M.: Computer based operation, monitor and control of GTA welding machine and temperature measurements during welding, International Conference on Advance Manufacturing Technology, Indian National Academy of Engineering, Chennai (6–8 February 2008).
2. Nagarajan S., Chen W.H. and Chin B.A.: Infrared sensing for adaptive arc welding, Welding Journal, 1989, vol. 68, no. 11, pp. 462s–466s.
3. Chen W.H. and Chin B.A.: Monitoring joint penetration using infrared sensing techniques, Welding Journal, 1990, vol. 69, no. 4, pp. 181s–185s.
4. Smith J.S. and Lucas W.: Vision based systems for controlling the arc welding operation and inspecting the weld bead profile, Welding in the World, 1999, vol. 43, Supplementary Issue, pp. 103–115.
5. Banerjee P., Govardhan S., Wikle H.C., Liu J.Y. and Chin B.A.: Infrared sensing for on-line weld geometry monitoring and control, Journal of Engineering for Industry, 1995, vol. 117, no. 3, pp. 323–330.