1. Artemov (1933). Artemov V.A. Technographic analysis on New Alphabet summary letters//Writing and revolution (on Russian). Moscow, JL, 1933, № 1, pp.58-76.
2. Bernard, Fernandez, Hull (2002). Bernard. M., Fernandez. M., Hull. S. The effects of line length on children and adults’ online reading performance.//Usability News, 2002, v4, issue 2.
3. Cattell (1885). Cattell. J. M. The inertia of the eye and the brain. Brain. 1885, 8, pp.295-312.
4. Cohn (1883). Cohn. H. Die Hygiene des Auges in den Schulen. Leipzig, 1883.
5. Dubina (2004). Dubina N. Fonts in the graphic design of printed materials. Part 6 (on Russian).//Compuart, Moscow, 2004.v.1. http://www.compuart.ru/article.aspx?id=8370&iid=338. Last accessed on 10/03/2012.