@book{Label,
   author = {Gross, Tom and Gulliksen, Jan and Oestreicher, Lars and Palanque, Philippe and Oliveira Patres, Raquel and Winckler, Marco},
   title = {Proceedings of the 12th IFIP TC.13 International Conference on Human-Computer Interaction - INTERACT 2009},
   publisher = {Springer-Verlag},
   address = {Heidelberg},
   note = {ISBN: 978-3-642-03654-5
   ISBN: 978-3-642-03657-6},
   year = {2009}
}