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de Velasco, Jesus Barraza; Glenn J. Tattersall (September 2008). "The influence of hypoxia on the thermal sensitivity of skin colouration in the bearded dragon, Pogona vitticeps". Journal of Comparative Physiology B178 (7): 867–875. doi:10.1007/s00360-008-0274-8. பப்மெட்:18491114.