1. Agrawala, M., and Stolte, C. (2001): Rendering effective route maps: improving usability through generalization. In Proceedings of Siggraph 2001, E. Fiume, Ed. New York, NY, USA: ACM Press, pp. 241 - 249.
2. Baus, J., Kray, C., Krüger, A., and Wahlster, W. (2001): A Resource-Adaptive Mobile Navigation System. In Proceedings of the International Workshop on Information Presentation and Natural Multimodal Dialogue (IPNMD-2001). Verona, Italy: ITC-IRST, pp. 5-9.
3. Baus, J., Krüger, A., and Stahl, C. (2005): Resource-Adaptive Personal Navigation. In Multimodal Intelligent Information Presentation, O. Stock and M. Zancanaro, Eds. Berlin: Springer, pp. 71-93.
4. Ceaparu, I., Thakkar, P., and Yilmaz, C. (2001): Visualizing Directions and Schedules on Handheld Devices. Maryland, Department of Computer Science, University of Maryland College Park. http://www.cs.umd.edu/class/fall2001/cmsc838s/RoverAVW.doc
5. Corona, B., and Winter, S. (2001): Datasets for Pedestrian Navigation Services. In Proceedings of the AGIT Symposium, J. Strobl, T. Blaschke and G. Griesebner, Eds. Salzburg, pp. 84-89.