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. doi:10.1007/s00360-013-0794-8. PMID24366474. S2CID9481486.
Winter, H.; Langbein, L.; Krawczak, M.; Cooper, D. N.; Jave-Suarez, L. F.; Rogers, M. A.; Praetzel, S.; Heidt, P. J.; Schweizer, J. (2001). "Human type I hair keratin pseudogene phihHaA has functional orthologs in the chimpanzee and gorilla: Evidence for recent inactivation of the human gene after the Pan-Homo divergence". Human Genetics. 108 (1): 37–42. doi:10.1007/s004390000439. PMID11214905. S2CID21545865.
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. doi:10.1007/s00360-013-0794-8. PMID24366474. S2CID9481486.
Winter, H.; Langbein, L.; Krawczak, M.; Cooper, D. N.; Jave-Suarez, L. F.; Rogers, M. A.; Praetzel, S.; Heidt, P. J.; Schweizer, J. (2001). "Human type I hair keratin pseudogene phihHaA has functional orthologs in the chimpanzee and gorilla: Evidence for recent inactivation of the human gene after the Pan-Homo divergence". Human Genetics. 108 (1): 37–42. doi:10.1007/s004390000439. PMID11214905. S2CID21545865.
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. doi:10.1007/s00360-013-0794-8. PMID24366474. S2CID9481486.
Winter, H.; Langbein, L.; Krawczak, M.; Cooper, D. N.; Jave-Suarez, L. F.; Rogers, M. A.; Praetzel, S.; Heidt, P. J.; Schweizer, J. (2001). "Human type I hair keratin pseudogene phihHaA has functional orthologs in the chimpanzee and gorilla: Evidence for recent inactivation of the human gene after the Pan-Homo divergence". Human Genetics. 108 (1): 37–42. doi:10.1007/s004390000439. PMID11214905. S2CID21545865.
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Thomson, Paul (2002). "Cheiromeles torquatus". Animal Diversity Web. Retrieved 29 October 2013.