1. Production laser hardening;Wineman;SME Tech Paper, IQ 77-372,1977
2. Fizitsheskie oshovy obrabotki materialov lutshami lazera;Mirkin,1975
3. High power lasers for metal working;Locke,1974
4. Basics of laser heat treating;Engel;SME Tech Paper, MR76-857,1976
5. Conduction of heat in solids;Carslaw,1959