Daisy 3: A Standard for Accessible Multimedia Books. - Dennis Leas; Emilia Persoon; Neil Soiffer; Michael Zacherle (IEEE Multim., 2008)

MathSpeak: a non-ambiguous language for audio rendering of MathML. - Waseem Sheikh; Dave Schleppenbach; Dennis Leas (Int. J. Learn. Technol., 2018)