1. WW Daley. Laser Processing and Analysis of Materials. Chapter 1: Lasers and laser radiation.New York: Plenum Press, 1983, pp.158-162.
2. VG Gregson. Chapter 4: Laser heat treatment. In: M Bass, Ed. Laser Materials Processing. Volume 3: Materials processing theory and practices. Amsterdam: North-Holland Publishing Company, 1983, pp.201-234.
3. K Sridhar, AS Khanna. Laser surface heat treatment, Chapter 3. In: NB Dahotre, Ed. Lasers in Surface Engineering. Surface Engineering Series, Vol.1. Materials Park, OH: ASM International, 1998, pp.69-179.