1. Avelar, S.: Schematic Maps on Demand: Design, Modeling and Visualization. PhD thesis, Swiss Federal Institute of Technology Zurich (2002)
2. Porathe, T.: User-Centered Map Design. Design (2007)
3. Steiniger, S., Neun, M., Edwardes, A.: Foundations of location based services (2006)
4. Virrantaus, K., Markkula, J., Garmash, A., Terziyan, Y., Veijalainen, J., Katanosov, A., Tirri, H.: Developing GIS-supported location-based services. In: Proc. of WGIS, pp. 423–432 (2001)
5. Avelar, S., Hurni, L.: On the Design of Schematic Transport Maps. Cartographica: The International Journal for Geographic Information and Geovisualization 41, 217–228 (2006)