@inproceedings{'TheobaltBosChapman2002IROS',
   title     = {'Talking to Godot: Dialogue with a Mobile Robot'},
   author    = {Theobalt, Christian and Bos, Johan and Chapman, T. and Espinosa-Romero, A. and Fraser, Mark and Hayes, Gillian and Klein, Ewan and Oka, Tetsushi and 'Reeve', 'Richard'},
   booktitle = {'Proceedings of IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2002)'},
   pages     = {1338--1343},
   year      = {2002}
}