Hunstig M, Hemsel T, Sextro W. Modelling the friction contact in an inertia motor. Journal of Intelligent Material Systems and Structures. 2013;24(11):1380-1391. doi:10.1177/1045389X12474354

Hunstig M, Hemsel T, Sextro W. An efficient simulation technique for high-frequency piezoelectric inertia motors. In: Ultrasonics Symposium (IUS), 2012 IEEE International. ; 2012:277-280. doi:10.1109/ULTSYM.2012.0068

Tomberger C, Dietmaier P, Sextro W, Six K. Friction in wheel--rail contact: A model comprising interfacial fluids, surface roughness and temperature. Wear. 2011;271:2-12. doi:10.1016/j.wear.2010.10.025

Götting F, Sextro W, Panning L, Popp K. Systematic mistuning of bladed disk assemblies with friction contacts. In: Proceedings of ASME TURBO Expo, Power for Land, Sea, and Air. Vol 6. ; 2004:257-267.

Hemsel T, Wallaschek J. State of the art and development trends of ultrasonic linear motors. In: Ultrasonics Symposium, 2000 IEEE. Vol 1. ; 2000:663-666 vol.1. doi:10.1109/ULTSYM.2000.922635