1. Sheppard, L., Aldrich, F.K.: Tactile graphics: A Beginner’s Guide to Graphics for Visually Impaired Children. Primary Science Review 65, 29–30 (2000)
2. RNIB National Centre for Tactile Diagrams,
http://www.nctd.org.uk
3. The Tactile Graphics Website,
http://www.tactilegraphics.org/
4. ‘Tactile Graphics’ conference series,
http://www.nctd.org.uk/Conference
5. Aldrich, F.K., Sheppard, L., Hindle, Y.: First Steps towards a Model of Tactile Graphicacy. British Journal of Visual Impairment 20(2), 62–67 (2002)