1. Gould R.G., The LASER, light amplification by stimulated emission of radiation, in the Ann Arbor Conference on Optical Pumping, the University of Michigan 15, 92 (1959
2. Taylor N., LASER: The inventor, the Nobel laureate, and the thirty-year patent war (Simon and Schuster, 2002)
3. Jameson E.C., Electrical Discharge Machining (Society of Manufacturing Engineers, 2001)
4. New Developments in Electro-Chemical Machining
5. A Practical Study of the Application of SMED to Electron-beam Machining in Automotive Industry