1. Katbi, K.: The Insert as a Cutting System, Manufacturing Engineering, Vol. 119 /8, 1997, 84–92
2. Meredith, D.: Practical Tool Condition Monitoring, Manufacturing Engineering, Vol. 120 /1, 1998, 34–39
3. Byrne, G., Dornfeld, D., Inasaki, I., Ketteler, G., König, W., Teti, R.: Tool Condition Monitoring (TCM) — The Status of Research and Industrial Application, Annals of the CIRP, Vol. 44 /2, 1995, 541–576
4. Klocke, F., Rehse, M.: Intelligent Tools through Integrated Micro Systems, Production Engineering, Vol. IV /2, 1997, 65–68
5. Löhken, T.: Unpublished Research Report, Fraunhofer Institute for Coating and Surface Technology (FhG-IST) Braunschweig, 1996