@InProceedings{hilliges2006mu3i,
  author = {Otmar Hilliges, Lucia Terrenghi},
  title  = "{Overcoming Mode-Changes on Multi-User Large Displays with Bi-Manual Interaction}",
  booktitle = {Proceedings of the International Workshop on Multi-user and Ubiquitous User Interfaces (MU3I)},
  month = feb,
  year =   {2006}
  }