1. Survey of the State-of-the-Art of Tool Wear Sensing Techniques;Cook;MIT report prepared under NSF Grant No. FI-43861,1975
2. In-process tool wear sensors for cutting operations;Micheletti;Annals of the CIRP,1976
3. A critical review of sensors for unmanned machining;Tlusty;Annals of the CIRP,1983
4. Sensors for adaptive control;Birla,1981
5. An application of acoustic emission measurement to in-process sensing of tool wear;Iwata;Annals of the CIRP,1977