A study of blind drawing practice: creating graphical information without the visual channel.

Hesham M. Kamel James A. Landay A study of blind drawing practice: creating graphical information without the visual channel. 34-41 2000 conf/assets/2000 ASSETS http://doi.acm.org/10.1145/354324.354334 db/conf/assets/assets2000.html#KamelL00