1. Beigl, M. (1999a). Electronic manual. In Proceedings of the 8th International Conference on Human-Computer Interaction: HCI International '99 (pp. 246-250). Mahwah, NJ: Lawrence Erlbaum Associates, Inc.
2. Beigl, M. (1999b). Point & Click-Interaction in Smart Environments. In Proceedings of the International Symposium on Handheld and Ubiquitous Computing (pp. 311-314). Heidelberg, Germany: Springer-Verlag.
3. Beigl, M., Schmidt, A., Lauff, M. & Gellersen, H.W. (1998, October). UbicompBrowser. Proceedings of the 4th ERCIM Workshop on User Interfaces for All, Stockholm, Sweden. Sophia Antipolis, France: European Research Consortium for Informatics and Mathematics. Available: http://ui4all.ics.forth.gr/UI4ALL-98/proceedings.html
4. European Commission. (2000). The disappearing computer [Online]. Available: http://www.cordis.lu/ist/fetdc.thm
5. Inaugural issue editorial: Future personal computing