1. Tomberg, V., Schulz, T., Kelle, S.: Applying universal design principles to themes for wearables. In: Stephanidis, C., Antona, M. (eds.) UAHCI 2015, part II, pp. 550–560. Springer International Publishing, Switzerland (2015)
2. Slatin, J.M., Rush, S.: Maximum Accessibility: Making Your Web Site More Usable for Everyone (2002)
3. Milne, S., Dickinson, A., Carmichael, A., Sloan, D., Eisma, R., Gregor, P.: Are guidelines enough? An introduction to designing web sites accessible to older people. IBM Syst. J. 44, 557–571 (2005)
4. Connell, B.R., Jones, M., Mace, R., Mueller, J., Mullick, A., Ostroff, E., Sanford, J., Steinfeld, E., Story, M., Vanderheiden, G.: The Principles of Universal Design
5. Savage, P., Rm, L.A.: User interface evaluation in an iterative design process: a comparison of three techniques. In: Conference Companion on Human Factors in Computing Systems, pp. 307–308. ACM (1996)