Development of Dialogue Systems for a Mobility Aid for Blind People: Initial Design and Usability Testing.

Thomas Strothotte Steffi Fritz Rainer Michel Andreas Raab Helen Petrie Valerie Johnson Lars Reichert Axel Schalt Development of Dialogue Systems for a Mobility Aid for Blind People: Initial Design and Usability Testing. 139-144 1996 International ACM Conference on Assistive Technologies http://doi.acm.org/10.1145/228347.228369 db/conf/assets/assets1996.html#StrothotteFMRPJRS96