Barrett S. Iridology Is Nonsense. URL: http://www.quackwatch.org/01QuackeryRelatedTopics/iridology.html (дата обращения: 05.06.2016).
100
Mehrotra H. et al. Does Iris Change Over Time? // PLoS ONE, 8 (11). e78333. DOI: 10.1371/journal.pone.0078333.
101
Handbook of remote biometrics: for surveillance and security / Ed. by Rama Chellappa, Massimo Tistarelli, Stan Z. Li. – New York: Springer, 2009. p. 27.