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 B184 (2): 273–284. doi:10.1007/s00360-013-0794-8. பப்மெட்:24366474.
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 B184 (2): 273–284. doi:10.1007/s00360-013-0794-8. பப்மெட்:24366474.