BMML: A Mark-Up Language for Braille Music. - Enrico Bortolazzi; Nadine Baptiste-Jessel; Giovanni Bertoni (ICCHP, 2008)

Innovative Methods for Accessing Mathematics by Visually Impaired Users. - Giuseppe Nicotra; Giovanni Bertoni; Enrico Bortolazzi; Luciana Formenti (ICCHP (2), 2010)