TY - CONF TI - Personalized E-Learning through Environment Design and Collaborative Activities AF - Proceedings of the Symposium of the Workgroup Human-Computer Interaction and Usability Engineering of the Austrian Computer Society (USAB 2008) PP - Berlin Heidelberg PB - Springer SP - 377 EP - 390 PY - 2008-11-01 AU - Mödritscher, Felix AU - Wild, Fridolin ER -