1. Tlusty, J., “Unmanned Machining Centers”, Proceedings of the 1982 Canadian Conference on Industrial Computer Systems, McMaster Univ., 3–5 May, 1982, Canadian Industrial Computer Society, 12 Kindle Court, Ottawa, Canada.
2. Sensoren zur Erfassung von Prozesskenngrossen bei der Drehbearbeitung (Sensors for the Determination of Process Characteristics in Turning);Spur;Annals of the CIRP,1975
3. In Process Tool Wear Sensors for Cutting Operations;Micheletti;Annals of the CIRP,1976
4. Automatische Werkzeugbrucherkennung bei der Drehbearbeitung (Automated Detection of Tool-Breakage in Turning);Koenig;Industrie-Anzeiger,1978
5. Survey on Sensors, Internal CIRP Technical Survey prepared by CIRP Technical Committees (Cutting, Metrology), Jan., 1979.