Schemmel, Reinhard, Tobias Hemsel, Collin Dymel, Matthias Hunstig, Michael Brökelmann, and Walter Sextro. “Using Complex Multi-Dimensional Vibration Trajectories in Ultrasonic Bonding and Welding.”https://doi.org/10.1016/j.sna.2019.04.025__Sensors and Actuators A: Physical 295 (2019): 653–62.https://doi.org/10.1016/j.sna.2019.04.025 .

Dunst, Paul, Tobias Hemsel, and Walter Sextro. “Analysis of Pipe Vibration in an Ultrasonic Powder Transportationsystem.” Elsevier Sensors and Actuators A 263 (2017): 733–36.

Schulte, Frank, Jan Neuhaus, and Walter Sextro. “A Mechanical Model for the Dynamical Contact of Elastic Rough Bodies with Viscoelastic Properties.” In Proceedings of ICoEV 2015 International Conference on Engineering Vibration, 1109–17, 2015.

Genzo, Alexander, and Walter Sextro. “Dynamic Behaviour of Elastic Bodies Coupled by Extended Friction Contacts.” In Proceedings of ISMA - International Conference on Noise and Vibration Engineering, 51–52, 2006.

Szwedowicz, J, Walter Sextro, R Visser, and P.A Masserey. “On Forced Vibration of Shrouded Turbine Blades.”https://doi.org/doi:10.1115/GT2003-38808__In ASME Turbo Expo 2003, Collocated with the 2003 International Joint Power Generation Conference. Atlanta, Georgia, USA, 2003.https://doi.org/doi:10.1115/GT2003-38808 .