@inproceedings{essl2009sandwichdemo,
  author = {Georg Essl and Michael Rohs and Sven Kratz},
  title = {Squeezing the Sandwich: A Mobile Pressure-Sensitive Two-Sided Multi-Touch Prototype},
  booktitle = {Demonstration at the 22nd Annual ACM Symposium on User Interface Software and Technology (UIST), Victoria, BC, Canada},
  year = {2009},
  month = oct,
}