| [1] | Allmen A V.J A P,1976;47(12):5460 |
| [2] | Carslaw H S,Jaeger J C.Conduction of heat in solids.New York:Oxford Univ Press,1954 |
| [3] | Max A.Einfludes Self-Channeling der laserst rahlung auf die intensit a tsverteilung an bohrlochwandungen laser 77.Opto-Electronics IPC Science and Technology Press,1977:267 |