1. Arata, Y.: What happens in high energy density welding and cutting? Welding Research Institute, Osaka, 1980.(Film).
2. A steady-state crater formed as a result of interaction of high-power CO2 laser radiation with metals and liquids;Antonov;Sov. J. Quantum Electron.,1977
3. Laser welding and cutting: recent insights into fluid-dynamic mechanisms;Golubev;SPIE,2003
4. Laser drilling into an absorbing liquid;Mueller;J. Appl. Phys.,1992
5. High-speed simultaneous observation of plasma and keyhole behaviour during high power CO2 laser welding – effect of shielding gas on porosity formation;Seto;Proc. of ICALEO,1999