S. Kühne, M. Thränert, and M. Böttcher. Proceedings of the 4th International Conference on Business Informatics Research, Skövde Allkopia, Schweden, (2005)
A. Harrer, B. McLaren, E. Walker, L. Bollen, and J. Sewell. Artificial Intelligence in Education - Supporting Learning through Intelligent and Socially Informed Technology, page 266-273. Amsterdam (The Netherlands), IOS Press, (2005)
R. Wagner, M. Wetzels, and H. Winklhofer. Rejuvenating Marketing: Contamination, Innovation, Integration: Proceedings of the 34th EMAC Conference, Milan, European Marketing Academy, (2005)