1. Colazzo, S., Garzotto, F., Paolini, P.: Let’s Go Mobile! Design Issues. In: Multichannel ‘Accessible’ Applications For Cultural Heritage. Museums and the Web, Toronto (2005),
http://www.archimuse.com/mw2005/papers/colazzo/colazzo.html
2. Lecture Notes in Computer Science;G. Daunys,2007
3. Wakkary, R., Hatala, M.: Situated play in a tangible interface and adaptive audio museum guide. En Personal and Ubiquitous Computing 11(3), 171 (2006),
http://www.springerlink.com/content/p1623t74xp6h861m
4. Santoro, C., Paternò, F., Ricci, G., Leporini, B.: A Multimodal Mobile Museum Guide for All. In: Mobile Interaction with the Real World (MIRW 2007) (2007),
http://www.medien.ifi.lmu.de/mirw2007/papers/MGuides2007_Santoro.pdf
5. International Organization for Standardization, ISO TS 16071-2003 refer to software accessibility