1. Heidenreich B, Juptner W, Sepold G 1996 Fundamental investigation of the burn-out phenomenon of laser cut edges.Lasers Eng. 5: 1–10
2. Kaplan A F H 1996 An analytical model of metal cutting with a laser beam.J. Appl. Phys. 79: 2198–2207
3. Kumar K L 1988Engineering fluid mechanics 4th edn (New Delhi: Eurasia)
4. Landau L D, Lifshitz E M 1987Fluid mechanics 2nd rev. edn (Oxford: Butterworth-Heinemann)
5. Liepmann H W, Roshko A 1957Elements of gas dynamics (New York: John Wiley & Sons)