Patrick Wolf Wolfgang Putz Avare Stewart Arnd Steinmetz Matthias Hemmje Erich J. Neuhold LectureLounge - experience education beyond the borders of the classroom. 39-41 2004 4 Int. J. on Digital Libraries 1 http://dx.doi.org/10.1007/s00799-003-0053-9 db/journals/jodl/jodl4.html#WolfPSSHN04