Designing and Evaluating the Usability and Onboarding for a Mixed-Reality Application: A Case Study with PEARL (Paderborn Electrical Engineering AR Laboratory) and Meta Quest 3
M. Alptekin, D. Münstermann, K. Temmen, in: Lecture Notes in Networks and Systems, Springer Nature Switzerland, Cham, 2026, pp. 199–211.

Device Independent User Interfaces for Smart Cards
R. Schäfer, W. Müller, A. Marin-López, D. Díaz-Sánchez, in: Proceedings of the 9th International Conference on Human Computer Interaction with Mobile Devices and Services (MobileH), Singapore, 2007.

Dialog Modelling for Multiple Devices and Multiple Interaction Modalities
R. Schäfer, S. Bleul, W. Müller, in: Proceedings of the 5th International Workshop on Task Models and Diagrams for User Interface Design (TAMODIA’2006), Hasselt, Belgium, 2006.

A Novel Dialog Model for the Design of Multimodal User Interfaces
R. Schäfer, S. Bleul, W. Müller, in: Proceedings of EHCI-DSVIS 2005, Tremsbüttel, Hamburg, 2004.