1. ASTM Standards (1999), “Metals Test Methods and Analytical Procedures”, Annual Book of ASTM Standards.
2. ASTM Standards (2008), “Metals Test Methods and Analytical Procedures”, Annual Book of ASTM Standards.
3. ASM Handbook 2004.
4. Microforming – from basic research to its realization;Engel;Journal of Materials processing Technology,2002
5. Microforming;Geiger;CIRP Annals - Manufacturing Technology,2001