@article {, title = {Sistema electromec{\'a}nico multimodal para ense{\~n}anza b{\'a}sica del Braille.}, volume = {P201030804}, year = {2010}, month = {05/2010}, address = {Espa{\~n}a}, author = {P.J. Palacios and S. E. Palazuelos} }