Tomohiro Amemiya Haptic Direction Indicator for Visually Impaired People Based on Pseudo-Attraction Force. 2009 1 e-Minds 5 http://www.eminds.uniovi.es/index.php?journal=eminds&page=article&op=view&path[]=50 db/journals/eminds/eminds1.html#Amemiya09