• [Wiki] http://en.wikipedia.org/wiki/Panthera_uncia.
• [AnAge] http://genomics.senescence.info/species/entry.php?species=Uncia_uncia.
• [ADW] https://animaldiversity.org/accounts/Uncia_uncia/.
• [KoivWahl1977] Koivisto, I., Wahlberg, C., and Muuronen, P. (1977). Breeding endangered species in captivity. International Zoo Yearbook, 17:39--44. doi:10.1111/j.1748-1090.1977.tb00863.x.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.