@inproceedings{Clark99-virtual,
  author	= {Clark, H. H.},
  year		= {1999},
  title		= {How Do Real People Communicate with Virtual Partners?},
  booktitle	= {Proceedings of the AAAI Fall Symposium on Psychological Models of Communication in Collaborative Systems},
  publisher	= {American Association for Artificial Intelligence Press and MIT Press},
  address	= {North Falmouth, MA. Menlo Park, Calif}
}