Dynamical Behaviour of a Bladed Disk with Friction Dampers
K. Popp, W. Sextro, in: The 2nd European Nonlinear Oscillation Conference - Proceedings of EUROMECH, Prag, 1996, pp. 157–183.

Static Behaviour of Drill Strings in Curved Boreholes
W. Sextro, B. Schmalhorst, Zeitschrift Für Angewandte Mathematik Und Mechanik (ZAMM) 73 (1993) 255–257.

Bifurcations in Dynamic Systems with Dry Friction
P. Stelter, W. Sextro, in: R. Seydel, F.W. Schneider, T. Küpper, H. Troger (Eds.), Bifurcation and Chaos: Analysis, Algorithms, Applications, Birkhäuser Basel, 1991, pp. 343–347.