Hyunjeong Kim, Jeongyun Heo, Jungwha Shim, Miyoung Kim, Soojung Park, Sanghyun Park. Contextual Research on Elderly Users Needs for Developing Universal Design Mobile Phone. In Constantine Stephanidis, editor, Universal Access in Human Computer Interaction. Coping with Diversity, 4th International Conference on Universal Access in Human-Computer Interaction, UAHCI 2007, Held as Part of HCI International 2007, Beijing, China, July 22-27, 2007, Proceedings, Part . Volume 4554 of Lecture Notes in Computer Science, pages 950-959, Springer, 2007. [doi]