Atzmueller, Martin, Benz, Dominik, Doerfel, Stephan, Hotho, Andreas, Jäschke, Robert, Macek, Bjoern Elmar, Mitzlaff, Folke, Scholz, Christoph, Stumme, Gerd, Enhancing Social Interactions at Conferences, in: Information Technology 53 3 (2011), S. 101--107.