Instant tactile-audio map: enabling access to digital maps for people with visual impairment.

Zheshen Wang Baoxin Li Terri Hedgpeth Teresa Haven Instant tactile-audio map: enabling access to digital maps for people with visual impairment. 43-50 2009 ASSETS http://doi.acm.org/10.1145/1639642.1639652 conf/assets/2009 db/conf/assets/assets2009.html#WangLHH09