Marc Hassenzahl explains the fascinating concept of User Experience and Experience Design. Commentaries by Don Norman, Eric Reiss, Mark Blythe, and Whitney Hess
User Experience and Experience Design !
Guarna Jr, Vincent A. and Gaur, Yogesh (1988): A Portable User Interface for a Scientific Programming Environment. In: Green, Mark (ed.) Proceedings of the 1st annual ACM SIGGRAPH symposium on User Interface Software October 17 - 19, 1988, Alberta, Canada. pp. 211-220.