1. “Design for Forming and other Near Net Shape Manufacturing Processes”;Altan;Annals of the CIRP,1990
2. “Application of the 2D Finite Element Method to Simulation of Cold-Forging Processes”;Altan;J. of Materials Processing Technology,1992
3. AGIE 1992. Understanding EDM Surface Integrity–Sinking Brochure 1012-587-5K. AGIE Corporation, Addison, IL.
4. Ashley, S. 1991. “Rapid Prototyping Systems”, Mechanical Engineering, April 1991, pp. 34-43.
5. Beard, T. 1992. “A More Systematic Approach to Ram EDM”, Modern Machine Shop. 1992.