%0 Journal Article %T Bringing Web 2.0 to web lectures %A Ketterl, Markus %A Mertens, Robert %A Vornberger, Oliver %J Interactive Technology and Smart Education %V 6 %N 2 %P 82-96 %@ 1741-5659 %D 2009-05-14 %I Emerald Group Publishing Limited %~ DeepDyve