| Content of Issue 19 | 
| New Trends in Human Computer Interaction | M.D. Lozano, J.A. Gallud | 3051 | 
| Extending and Supporting Featured User Interface Models for the Development of Groupware Applications | V.M. Penichet, M.D. Lozano, J.A. Gallud, R. Tesoriero, M.L. Rodríguez, J.L. Garrido, M. Noguera, M.V. Hurtado | 3053 | 
| A Model of Interaction for CVEs Based on the Model of Human Communication | D. Martínez, A.S. García, J. Martínez, J.P. Molina, P. Gonzalez | 3071 | 
| Gaze-based Interaction for Virtual Environments | J. Jimenez, D. Gutierrez, P. Latorre | 3085 | 
| SHARP Online: An Adaptive Hypermedia System Applied to Mathematical Problem Solving | A.-B. Gil, R. Rodríguez, F.J. García-Peñalvo, R. López | 3099 | 
| Displaying Pictures according to the Songs Being Played | J. Ibáñez, D. García, O. Serrano | 3114 | 
| Using the Optical Flow to Implement a Relative Virtual Mouse Controlled by Head Movements | T. Pallejà, E. Rubión, M. Teixido, M. Tresanchez, A. Fernández del Viso, C. Rebate, J. Palacin | 3127 | 
| Taxonomy for Integrating Models in the Development of Interactive Groupware Systems | W.J. Giraldo, A.I. Molina, C.A. Collazos, M. Ortega, M.A. Redondo | 3142 | 
| Model-Driven Approach to Design User Interfaces for Workflow Information Systems | J. Guerrero García, C. Lemaigre, J.M. González Calleros, J. Vanderdonckt | 3160 | 
| Consequence of Two-handed Manipulation on Speed, Precision and Perception on Spatial Input Task in 3D Modelling Applications | M. Veit, A. Capobianco, D. Bechmann | 3174 | 
| CTML: Domain and Task Modeling for Collaborative Environments | M. Wurdel, D. Sinnig, P. Forbrig | 3188 | 
| Evaluation of Agent-based Interactive Systems: Proposal of an Electronic Informer Using Petri Nets | C.D. Tran, H. Ezzedine, C. Kolski | 3202 | 
| Model-Based and Prototyping-Driven User Interface Specification to Support Collaboration and Creativity | T. Memmel, H. Reiterer | 3217 | 
| A Model-Driven Approach to Align Business Processes with User Interfaces | K. Sousa, H. Mendonça, J. Vanderdonckt | 3236 | 
| "Fine Tuning" Image Accessibility for Museum Web Sites | B. Leporini, I. Norscia | 3250 | 
| Integrating Dialog Modeling and Domain Modeling - the Case of Diamodl and the Eclipse Modeling Framework | H. Trætteberg | 3265 |