Michel Banâtre Paul Couderc Julien Pauty Mathieu Becus Ubibus: Ubiquitous Computing to Help Blind People in Public Transport. 310-314 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3160&spage=310 2004 conf/mhci/2004 Mobile HCI db/conf/mhci/mhci2004.html#BanatreCPB04