@inproceedings{tabletop,
  author        = "Albert Krohn and Tobias Zimmer and Michael Beigl",
  title         = "{Enhancing Tabletop Games with Relative Positioning Technology}",
  booktitle     = "Pervasive 2004 Advances in Pervasive Computing",
  address       = "Vienna, Austria",
  month         = apr,
  year          = "2004"
};