U. Lucke, C. Manteuffel, and D. Tavangarian. Proceedings of DeLFI 2006, 4. e-Learning Fachtagung Informatik, volume 87 of Lecture Notes in Informatics, page 171-182. Darmstadt, Gesellschaft für Informatik, (September 2006)
L. Thomas, and E. Ras. Proceedings of DeLFI 2006, 4. e-Learning Fachtagung Informatik, volume 87 of Lecture Notes in Informatics, page 159-170. Darmstadt, Gesellschaft für Informatik, (September 2006)
S. Bobrowski, and O. Nowaczyk. Forschungsbericht des Fachbereichs Elektrotechnik & Informationstechnik, 8/2005. FernUniversität in Hagen, Hagen, (August 2005)
E. Fernandes, H. Madhour, S. Miniaoui, and M. Forte. IEEE International Conference on Advanced Learning Technologies // Fifth IEEE International Conference on Advanced Learning Technologies, 2005, IEEE Computer Society, Los Alamitos, Calif, (2005)
P. Baumgartner, and M. Kalz. Auf zu neuen Ufern. Tagungsband der Jahrestagung der Gesellschaft für Medien in der Wissenschaft (GMW), 34, page 97--106. Münster, Gesellschaft für Medien in der Wissenschaft, Waxmann, (2005)
K. Verbert, J. Klerkx, M. Meire, J. Najjar, and E. Duval. On the Move to Meaningful Internet Systems 2004, volume 3292 of Lecture Notes in Computer Science, page 713-722. Berlin, Heidelberg, Springer, (2004)
S. Shaw, and J. Hudson. E-Learn 2004: World Conference on E-Learning in Corporate, Government, Healthcare & Higher Education, page 1694--1698. Chesapeake, VA, Association for the Advancement of Computing in Education (AACE), AACE, (2004)
M. Göstl, R. Kammerl, and F. Weitl. Proceedings of ED-MEDIA 2004, World Conference on Educational Multimedia, Hypermedia & Telecommunications, Lugano, (2004)
S. Schluep, P. Ravasio, and S. Schär. Proceedings of Human-Computer Interact -- INTERACT'03, page 884-887. Zurich, Switzerland, IFIP TC13, IOS Press, (September 2003)