1. Adams, D. (1989). abcdefg, a better constraint driven environment for font generation. In J. André & R. Hersch (Eds.), Raster imaging and digital typography (pp. 54–70). Cambridge: Cambridge University Press.
2. Arditi, A., & Cho, J. (2007). Letter case and text legibility in normal and low vision. Vision Research, 47, 2499–2505.
3. Baines, P., & Haslam, A. (2005). Type & typography (2nd ed.). London: Laurence King.
4. Beier, S., & Larson, K. (2010). Design improvements for frequently misrecognized letters. Information Design Journal, 18, 118–137.
5. Besner, D., Davelaar, E., Alcott, D., & Parry, P. (1984). Wholistic reading of alphabetic print: Evidence from the FDM and the FBI. In L. Henderson (Ed.), Orthographies and reading: Perspectives from cognitive psychology, neuropsychology and linguistics (pp. 121–135). Hillsdale, NJ: Erlbaum.