Jacobs, G. H.; Deegan, J. F.; Neitz; Neitz, J.; Crognale, M. A. (1993). "Photopigments and colour vision in the nocturnal monkey, Aotus". Vision Research. 33 (13): 1773–1783. doi:10.1016/0042-6989(93)90168-V. PMID8266633. S2CID3745725.
Mollon, J. D.; Bowmaker, J. K.; Jacobs, G. H. (1984). "Variations of colour vision in a New World primate can be explained by polymorphism of retinal photopigments". Proceedings of the Royal Society B. 222 (1228): 373–399. Bibcode:1984RSPSB.222..373M. doi:10.1098/rspb.1984.0071. PMID6149558. S2CID24416536.
Gutierrez, E.A.; Pegoraro, B.M.; Magalhães-Castro, B.; Pessoa, V.F. (2011). "Behavioural evidence of dichromacy in a species of South American marsupial". Animal Behaviour. 81 (5): 1049–1054. doi:10.1016/j.anbehav.2011.02.012. S2CID53176187.
harvard.edu
ui.adsabs.harvard.edu
Mollon, J. D.; Bowmaker, J. K.; Jacobs, G. H. (1984). "Variations of colour vision in a New World primate can be explained by polymorphism of retinal photopigments". Proceedings of the Royal Society B. 222 (1228): 373–399. Bibcode:1984RSPSB.222..373M. doi:10.1098/rspb.1984.0071. PMID6149558. S2CID24416536.
nih.gov
pubmed.ncbi.nlm.nih.gov
Hanggi, Evelyn B.; Ingersoll, Jerry F.; Waggoner, Terrace L. (2007). "Color vision in horses (Equus caballus): Deficiencies identified using a pseudoisochromatic plate test". Journal of Comparative Psychology. 121 (1): 65–72. doi:10.1037/0735-7036.121.1.65. ISSN1939-2087. PMID17324076.
Jacobs, G. H.; Deegan, J. F.; Neitz; Neitz, J.; Crognale, M. A. (1993). "Photopigments and colour vision in the nocturnal monkey, Aotus". Vision Research. 33 (13): 1773–1783. doi:10.1016/0042-6989(93)90168-V. PMID8266633. S2CID3745725.
Mollon, J. D.; Bowmaker, J. K.; Jacobs, G. H. (1984). "Variations of colour vision in a New World primate can be explained by polymorphism of retinal photopigments". Proceedings of the Royal Society B. 222 (1228): 373–399. Bibcode:1984RSPSB.222..373M. doi:10.1098/rspb.1984.0071. PMID6149558. S2CID24416536.
Jacobs, G. H.; Deegan, J. F.; Neitz; Neitz, J.; Crognale, M. A. (1993). "Photopigments and colour vision in the nocturnal monkey, Aotus". Vision Research. 33 (13): 1773–1783. doi:10.1016/0042-6989(93)90168-V. PMID8266633. S2CID3745725.
Mollon, J. D.; Bowmaker, J. K.; Jacobs, G. H. (1984). "Variations of colour vision in a New World primate can be explained by polymorphism of retinal photopigments". Proceedings of the Royal Society B. 222 (1228): 373–399. Bibcode:1984RSPSB.222..373M. doi:10.1098/rspb.1984.0071. PMID6149558. S2CID24416536.
Gutierrez, E.A.; Pegoraro, B.M.; Magalhães-Castro, B.; Pessoa, V.F. (2011). "Behavioural evidence of dichromacy in a species of South American marsupial". Animal Behaviour. 81 (5): 1049–1054. doi:10.1016/j.anbehav.2011.02.012. S2CID53176187.