Leuski A, Pair J, Traum DR, McNerney PJ, Georgiou P, Patel R. How to talk to a hologram. In:
Edmonds E,
Riecken D,
Paris CL,
Sidner CL, editors. Proceedings of the 11th international conference on Intelligent user interfaces (IUI'06). Sydney, Australia: ACM Press New York, NY, USA; 2006. p. 360-2.