Eiberg H, Troelsen J, Nielsen M, Mikkelsen A, Mengel-From J, Kjaer KW, Hansen L (martie 2008). „Blue eye color in humans may be caused by a perfectly associated founder mutation in a regulatory element located within the HERC2 gene inhibiting OCA2 expression”. Human Genetics. 123 (2): 177–87. doi:10.1007/s00439-007-0460-x. ISSN0340-6717. PMID18172690.
Eiberg H, Troelsen J, Nielsen M, Mikkelsen A, Mengel-From J, Kjaer KW, Hansen L (martie 2008). „Blue eye color in humans may be caused by a perfectly associated founder mutation in a regulatory element located within the HERC2 gene inhibiting OCA2 expression”. Human Genetics. 123 (2): 177–87. doi:10.1007/s00439-007-0460-x. ISSN0340-6717. PMID18172690.
Megumi Iizuka, „Welcome to the wonderful world of 3D”, Optics and Photonics News, Vol. 18, Nr. 4, p. 8, aprilie 2007 (articol disponibil online la OSA-OPN.org[nefuncțională])
Eiberg H, Troelsen J, Nielsen M, Mikkelsen A, Mengel-From J, Kjaer KW, Hansen L (martie 2008). „Blue eye color in humans may be caused by a perfectly associated founder mutation in a regulatory element located within the HERC2 gene inhibiting OCA2 expression”. Human Genetics. 123 (2): 177–87. doi:10.1007/s00439-007-0460-x. ISSN0340-6717. PMID18172690.