- [Wiki]
http://en.wikipedia.org/wiki/Phymaturus_spurcus.
- [CabeBore2015]
Cabezas-Cartes, F., Boretto, J. M., and Ibargüengoytía, N. R. (2015).
Age, growth and life-history parameters of an endemic vulnerable
lizard from Patagonia, Argentina.
Herpetological Journal, 25:215--224.
- [Kooy2010]
Kooijman, S. (2010).
Dynamic Energy Budget theory for metabolic organisation.
Cambridge Univ. Press, Cambridge.