1. Bainbridge, W.S.: Berkshire Encyclopedia of Human-Computer Interaction. Berkshire Publishing Group, Great Barrington (2004)
2. LNAI;T. Greef de,2007
3. Vice, J., Lockerd, A., Lathan, C.: Multi-Modal Interfaces for Future Applications of Augmented Cognition. In: Schmorrow, D.D. (ed.) Foundations of Augmented Cognition, pp. 21–27. Lawrence Erlbaum Associates, Mahwah (2005)
4. LNAI;M. Alcañiz,2007
5. LNAI;L.M. Reeves,2007