Prota G, Hu DN, Vincensi MR, McCormick SA, Napolitano A (). „Characterization of melanins in human irides and cultured uveal melanocytes from eyes of different colors”. Exp. Eye Res. 67 (3): 293–99. doi:10.1006/exer.1998.0518. PMID9778410.
Eiberg H, Mohr J (). „Assignment of genes coding for brown eye colour (BEY2) and brown hair colour (HCL3) on chromosome 15q”. Eur. J. Hum. Genet. 4 (4): 237–41. doi:10.1159/000472205. PMID8875191.
Mason, Clyde W. (). „Blue Eyes”. Journal of Physical Chemistry. 28 (5): 498–501. doi:10.1021/j150239a007.
Sulem, Patrick; Gudbjartsson, Daniel F; Stacey, Simon N; Helgason, Agnar; Rafnar, Thorunn; Magnusson, Kristinn P; Manolescu, Andrei; Karason, Ari; et al. (). „Genetic determinants of hair, eye and skin pigmentation in Europeans”. Nat. Genet. 39 (12): 1443–52. doi:10.1038/ng.2007.13. PMID17952075.
Prota G, Hu DN, Vincensi MR, McCormick SA, Napolitano A (). „Characterization of melanins in human irides and cultured uveal melanocytes from eyes of different colors”. Exp. Eye Res. 67 (3): 293–99. doi:10.1006/exer.1998.0518. PMID9778410.
Eiberg H, Mohr J (). „Assignment of genes coding for brown eye colour (BEY2) and brown hair colour (HCL3) on chromosome 15q”. Eur. J. Hum. Genet. 4 (4): 237–41. doi:10.1159/000472205. PMID8875191.
Sulem, Patrick; Gudbjartsson, Daniel F; Stacey, Simon N; Helgason, Agnar; Rafnar, Thorunn; Magnusson, Kristinn P; Manolescu, Andrei; Karason, Ari; et al. (). „Genetic determinants of hair, eye and skin pigmentation in Europeans”. Nat. Genet. 39 (12): 1443–52. doi:10.1038/ng.2007.13. PMID17952075.
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[1] Omniglot- words for colors in different languages.