1. Metal processing with a high-power CO2 laser;Locke,1973
2. Surface treatments by laser;Hill;Opt. Laser Technol.,1974
3. Surface Engineering Series, Lasers in Surface Engineering;Sridhar,1998
4. Surface heat treatment of EnS steel using a 2kW continuous-wave CO2 laser;Steen;Metals Technol.,1979
5. Effect of laser surface hardening on En18 (AISI 5135) steel