TY - CHAP U1 - Konferenzveröffentlichung A1 - Höver, Kai M. A1 - Huber, Jochen A1 - Mühlhäuser, Max T1 - Q&A 2.0: A System to Facilitate Interaction During and After a Lecture T2 - E-Learn 2010 : World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education, October 18 - 22, 2010, Orlando, FL, USA ; Proceedings Y1 - 2010 UR - https://www.learntechlib.org/p/35927/ SN - 978-1-880094-83-9 SB - 978-1-880094-83-9 SP - 2544 EP - 2551 ER -