1. Conceptual design space project;Bowman,1995
2. Proc. of the ACM SIGCHI 1994 Conference: CHI94 Human Factors in Computing Systems;Chapin,1994
3. A link between virtual and physical prototyping;Fadel Crane,1995
4. Virtual reality: enabling technologies;Gigante,1993
5. Two-handed gesture in multi-modal natural dialogue;Herranz,1992