@BOOK{Muller-Tomfelde2010,
  title = {Tabletops - Horizontal Interactive Displays},
  publisher = {Springer Verlag},
  year = {2010},
  editor = {Christian M\"{u}ller-Tomfelde},
  series = {Human Computer Interaction Series},
  month = {April},
  isbn = {978-1-84996-112-7},
  url = {http://www.springer.com/computer/user+interfaces/book/978-1-84996-112-7}
}