books.google.com - This book constitutes the joint thoroughly refereed post-proceedings of the 9th IFIP International Conference on Engineering for Human Computer Interaction and of the 11th International Workshop on Design, Specification, and Verification of Interactive Systems, EHCI-DSVIS 2004, held in Hamburg, Germany...http://books.google.com/books/about/Engineering_Human_Computer_Interaction_a.html?id=p06LPOah25gC&utm_source=gb-gplus-shareEngineering Human Computer Interaction and Interactive Systems