• [Wiki] http://en.wikipedia.org/wiki/Holbrookia_maculata.
• [Genn1974] Gennaro, A. L. (1974). Growth, size, and age at sexual maturity of the lesser earless lizard, Holbrookia maculata maculata, in Eastern New Mexico. Herpetologica, 30(1):85--90.
• [JoneBall1987] Jones, S. M. and Ballinger, R. E. (1987). Comparative life histories of Holbrookia Maculata and {Sceloporus undulatus} in Western Nebraska. Ecology, 68(6):1828--1838.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.