Silvia Gabrielli Valeria Mirabella Massimiliano Teso Tiziana Catarci The Design of an Authoring Interface to Make eLearning Content Accessible. 1100-1103 2005 conf/interact/2005 INTERACT http://dx.doi.org/10.1007/11555261_114 db/conf/interact/interact2005.html#GabrielliMTC05