@Inproceedings{mueller-2012,
  author = {Atzmueller, Martin and Becker, Martin and Doerfel, Stephan and Kibanov, Mark and Hotho, Andreas and Macek, Björn-Elmar and Mitzlaff, Folke and Mueller, Juergen and Scholz, Christoph and Stumme, Gerd},
  title  = {Ubicon: Observing Social and Physical Activities},

  year   = {2012},
  number = {},
  url    = {},

  const  = {\ text}
}
@Inproceedings{mueller-2012,
  author = {Atzmueller, Martin and Becker, Martin and Doerfel, Stephan and Kibanov, Mark and Hotho, Andreas and Macek, Björn-Elmar and Mitzlaff, Folke and Mueller, Juergen and Scholz, Christoph and Stumme, Gerd},
  title  = {Ubicon: Observing Social and Physical Activities},

  year   = {2012},
  number = {},
  url    = {},

  const  = {\ text}
}
@Inproceedings{atzmueller2012ubicon,
  author = {Atzmueller, Martin and Becker, Martin and Doerfel, Stephan and Kibanov, Mark and Hotho, Andreas and Macek, Bj\"orn-Elmar and Mitzlaff, Folke and Mueller, Juergen and Scholz, Christoph and Stumme, Gerd},
  title  = {Ubicon: Observing Social and Physical Activities},

  year   = {2012},
  number = {},
  url    = {},

  const  = {\ text}
}