1. Abascal, J., Civit, A., Falcó, J.L.: Threats and opportunities of rising technologies for Smart Houses. In: Accessibility for All CEN-CENELEC-ETSI Conference 2003, Nice (2003)
2. Casals, A.: Assistant Robots. In: Casals, A. (ed.) Technological Aids for the Disabled. Societat Catalana de Technologia/Institut d’Estudis Catalans, Barcelona (1998)
3. Pons, J.L. (ed.): Wearable Robots. Biomechatronic Exoskeletons, pp. 87–108. Wiley, Chichester (2008)
4. Fink, J., Kobsa, A., Nill, A.: Adaptable and Adaptive Information Provision for All Users. Including Disabled and Elderly People. New Review of Hypermedia and Multimedia 4, 163–188 (1998)
5. Lecture Notes in Artificial Intelligence;J. Abascal,2005