1. Jasnau U, Hoffmann J, Seyffarth P (2002) Nd: YAG–laser–gas metal arc–hybrid welding: a chance for the use of the advantages of laser technology and flexible automation in shipbuilding and steel construction. RWIA ‘02—2002 International Conference on Robotic Welding, Intelligence and Automation, Shanghai, China, 14–24
2. Wouters M (2005) Hybrid laser–MIG welding: an investigation of geometrical considerations. PhD thesis, Luleå University of Technology
3. Gvosdetzky VS, Krivtsun IV, Chzhenko MI, Yarinich LM (1995) Laser-arc discharge: theories and applications. Harwood, Newark
4. Cho MH (2006) Numerical simulation of arc welding process and its application. PhD thesis, The Ohio State University
5. Li ZN, Du D, Chang BH et al (2007) Flow patterns in the weld pool during laser-plasma hybrid welding. J Tsinghua Univ (Sci & Tech) 47(8):1263–1266