NAVIGONS - Analyzing tactons for navigation. - Anna-Magdalena Krauß; Alexander Ramian; Philipp Ballin; Dennis Wittchen; Georg Freitag (MuC (Workshopband), 2020)

Exploring Dynamic Vibrotactile Feedback for Layer-based Interaction on Elastic Displays. - Mathias Müller 001; Alexander Ramian; Dennis Wittchen; Georg Freitag; Dietrich Kammer (MuC, 2023)

Investigating Apparent Tactile Motion and Cutaneous Rabbit Illusion to Support Cyclists' Navigation. - Dennis Wittchen; Gabriel Schreyer; Alexander Ramian; Georg Freitag (MuC, 2023)

CollabJam: Studying Collaborative Haptic Experience Design for On-Body Vibrotactile Patterns. - Dennis Wittchen; Alexander Ramian; Nihar Sabnis; Richard Böhme; Christopher Chlebowski; Georg Freitag; Bruno Fruchard; Donald Degraen (CHI, 2025)