1. Bliss, C. K. (1965). Semantography (Blissymbolocs) (The book presents a system for universal writing, or pasigraphy) (2nd ed., pp. 882). Sidney, Australia: Semantography Publications.
2. Lin, S. (2005). Graphics matters: A case study of mobile phone keypad design for Chinese input. Proceedings of the Conference on Human Factors in Computing Systems (CHI 2005), Extended Abstracts for Late-Breaking Results, Short Papers, Portland, OR, USA, 1593–1596.
3. Marcus, A. (2003a). “Icons, symbols, and more,” Fast forward column. Interactions, 10(3, May–June), 28–34.
4. Marcus, A. (2003b). “Universal, ubiquitous, user-interface design for the disabled and elderly,” Fast forward column. Interactions, 10(2, March–April), 23–27.
5. Marcus, A. (2007). m-LoCoS UI: A universal visible language for global mobile communication. Proceedings. HCI International, Beijing, China, CD-ROM, unpaged.