Erkennung dreidimensionaler Körper aus einer ebenen Projektion mittels einer Potentialdynamik. - Bernd Hölle (1991)

RoRo: a new robotic rollator concept to assist the elderly and caregivers. - Gerald Bieber; Wencke Chodan; Rainer Bader; Bernd Hölle; Peter Herrmann; Ingo Dreher (PETRA, 2019)

Barcode-based Navigation Concept for Autonomous Wheelchairs and Walking Frames. - Gerald Bieber; Niklas Antony; Dimitri Kraft; Bernd Hölle; Dennis Blenke; Peter Herrmann (PETRA, 2021)

Determination of the healing corridor of patients with knee arthroplasty by a motor-powered rollator. - Gerald Bieber; Dimitri Kraft; Bernd Hölle; Dennis Blenke; Rainer Bader; Peter Herrmann (PETRA, 2022)