Maria Cecília Calani Baranauskas, Philippe A. Palanque, Julio Abascal, Simone Diniz Junqueira Barbosa: Human-Computer Interaction - INTERACT 2007, 11th IFIP TC 13 International Conference, Rio de Janeiro, Brazil, September 10-14, 2007, Proceedings, Part II. Lecture Notes in Computer Science 4663, Springer 2007, ISBN 978-3-540-74799-4