1. Towards a General Theory of Action and Time;Allen;Artificial Intelligence,1984
2. Interactive Maps for Visual Data Exploration;Andrienko;International Journal of Geographical Information Science,1999
3. Multimedia GIS: Concepts, Cognitive Aspects and Applications in an Urban Environment;Bill,1999
4. The State of Academic Cartography;Brewer;Cartography and Geographic Information Systems,1999
5. Extending the Map Metaphor Using Web Delivered Multimedia;Cartwright;Internationaljournal of Geographical Information Science,1999