1. Developments and Trends in Montitoring and Control of Machining Processes;Tönshoff;Annals of the CIRP,1988
2. A Critical Review of Sensors for Unmanned Machining;Tlusty;Annals of the CIRP,1983
3. Tool Break Detection by Monitoring Ultrasonic Vibration;Hayashi;Annals of the CIRP, Val.,1988
4. Automatisierte uberwachung des Bohrens;Nedeß;VDI-Z,1986
5. Prozeßuberwachung bei Bearbeitungs-zentren;Rogel;VDI-Z,1983