1. G. Brandenburg, New mathematical models for web tension and register error, Proc. 1. 3rd International IFAC Conf. on Instrumentation and Automation in the paper, Rubber and Plastics Industries, Brussels, May 24–26 (1976).
2. K. H. Shin, Tension Control, Technology Park/Atlanta, Tappi Press (2000).
3. W. Wolfermann, Sensorless Tension Control of Webs, Proceedings of the fourth International Conference on Web Handling IWEB, Stillwater, Oklahoma (1997).
4. J. Ruiz C, D. Sbarbaro, Estimating the Strip Tension in Multi-Drive Systems, Proceedings of the 23rd International Conference on Industrial Electronics, Control and Instrumentation (1997).
5. S. H. Song and S. K. Sul, A New Tension Controller for Continuous Strip Processing Line, IEEE Industrial Application. Conference (1998).