1. Eichler R., 1996, Prozeßsicherheit beim Einlippenbohren mit kleinsten Durchmessern. Dissertation, Universität Stuttgart, ISSN 0943-3821
2. Micro Engineering;Alting;Annals of the CIRP,2003
3. International State of the Art of Micro Production Engineering;Weule;Production Engineering Research and Development,2004
4. High Aspect Ratio Micro-hole Drilling Aided with Ultrasonic Vibration and Planetary Movement of Electrode by Micro-EDM;Yu;Annals of the CIRP,2009
5. Shaped Tube Electrochemical Drilling of Good Quality Holes;Ali;Annals of the CIRP,2009