@inproceedings{schoening2008SpatialAuthentication,
  author = {Johannes Sch\"oning and Michael Rohs and Antonio Kr\"uger},
  title = {Spatial Authentication on Large Interactive Multi-Touch Surfaces},
  booktitle = {Adjunct Proceedings of the 3rd IEEE Workshop on Tabletops and Interactive Surfaces (IEEE Tabletop 2008), Amsterdam, the Netherlands, October 1-3, 2008},
  year = {2008},
  month = oct,
}