9th Workshop on e-Learning (WEL'11) 2011 24./25. Oktober 2011, HTWK Leipzig/Fakultät IMN Prof. Dr. rer. nat. Klaus Hering, Dipl.-Inf. Volker Dötsch, Dipl.-Inf. Florian Schaar Mon, 24. October 2011 / 2.00 - Tue, 25. October 2011 / 2.00 Eventtypes Aktionstag