„Fur | animal skin”. Encyclopedia Britannica (на језику: енглески). Приступљено 30. 10. 2018.
doi.org
Dawson, T. J.; Webster, K. N.; Maloney, S. K. (2014). „The fur of mammals in exposed environments; do crypsis and thermal needs necessarily conflict? The polar bear and marsupial koala compared”. Journal of Comparative Physiology B. 184 (2): 273—284. PMID24366474. doi:10.1007/s00360-013-0794-8.
Plavcan, J. M. (2001). „Sexual dimorphism in primate evolution”. American Journal of Physical Anthropology. 116 (33): 25—53. PMID11786990. doi:10.1002/ajpa.10011.
Dawson, T. J.; Webster, K. N.; Maloney, S. K. (2014). „The fur of mammals in exposed environments; do crypsis and thermal needs necessarily conflict? The polar bear and marsupial koala compared”. Journal of Comparative Physiology B. 184 (2): 273—284. PMID24366474. doi:10.1007/s00360-013-0794-8.
Plavcan, J. M. (2001). „Sexual dimorphism in primate evolution”. American Journal of Physical Anthropology. 116 (33): 25—53. PMID11786990. doi:10.1002/ajpa.10011.