@incollection {Guerreiro11interact,
   author = {Guerreiro, Tiago and Oliveira, Joćo and Benedito, Joćo and Nicolau, Hugo and Jorge, Joaquim and Gonēalves, Daniel},
   affiliation = {INESC-ID, Technical University of Lisbon, Portugal},
   title = {Blind People and Mobile Keypads: Accounting for Individual Differences},
   booktitle = {Human-Computer Interaction - INTERACT 2011},
   series = {Lecture Notes in Computer Science},
   editor = {Campos, Pedro and Graham, Nicholas and Jorge, Joaquim and Nunes, Nuno and Palanque, Philippe and Winckler, Marco},
   publisher = {Springer Berlin / Heidelberg},
   isbn = {978-3-642-23773-7},
   keyword = {Computer Science},
   pages = {65-82},
   volume = {6946},
   url = {http://dx.doi.org/10.1007/978-3-642-23774-4_8},
   note = {10.1007/978-3-642-23774-4_8},
   year = {2011}
}