Tactile picture recognition by early blind children: the effect of illustration technique
Journal of Experimental Psychology Applied (2013) - Comment
pubmed: 24059824  doi: 10.1037/a0034255  issn: 1939-2192  issn: 1076-898x 

Anne Theurel, Arnaud Witt, Philippe Claudet, Yvette Hatwell, Edouard Gentaz