@Article{martin2011enhancing,
  author = {Atzmueller, Martin and Benz, Dominik and Doerfel, Stephan and Hotho, Andreas and Jäschke, Robert and Macek, Bjoern Elmar and Mitzlaff, Folke and Scholz, Christoph and Stumme, Gerd},
  title  = {Enhancing Social Interactions at Conferences},
  journal = {it - Information Technology},
  year   = {2011},
  number = {3},
  url    = {http://dx.doi.org/10.1524/itit.2011.0631},
  doi = {10.1524/itit.2011.0631},
  const  = {\ text}
}
@Article{atzmueller2011enhancing,
  author = {Atzmueller, Martin and Benz, Dominik and Doerfel, Stephan and Hotho, Andreas and Jäschke, Robert and Macek, Bjoern Elmar and Mitzlaff, Folke and Scholz, Christoph and Stumme, Gerd},
  title  = {Enhancing Social Interactions at Conferences},
  journal = {it - Information Technology},
  year   = {2011},
  number = {3},
  url    = {http://dx.doi.org/10.1524/itit.2011.0631},
  doi = {10.1524/itit.2011.0631},
  const  = {\ text}
}