| [1] | Powel J.Guidelines and Data for Laser Cutting.Industrial Laser Handbook,1990 |
| [2] | Geiger M et al.SPIE,1988;1022 |
| [3] | Biermann S et al.SPIE,1988;1031 |
| [1] | Powel J.Guidelines and Data for Laser Cutting.Industrial Laser Handbook,1990 |
| [2] | Geiger M et al.SPIE,1988;1022 |
| [3] | Biermann S et al.SPIE,1988;1031 |