PS

In V. Mittal and H. Yanco and J. Aronis and R. Simpson, editors, Assistive Technology and Artificial Intelligence, Lecture Notes in Computer Science, Berlin, 1998. Springer.

@InCollection{gribble:integrating98, title={Integrating vision and spatial reasoning for assistive navigation}, author={W. S. Gribble and R. L. Browning and M. Hewett and E. Remolina and Benjamin J. Kuipers}, booktitle={Assistive Technology and Artificial Intelligence}, editor={V. Mittal and H. Yanco and J. Aronis and R. Simpson}, series={Lecture Notes in Computer Science}, address={Berlin}, publisher={Springer}, url="http://www.cs.utexas.edu/users/ai-lab/pub-view.php?PubID=634", year={1998} }