• [Wiki] https://en.wikipedia.org/wiki/Ichthyosaura_alpestris.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [MiauGuye2000] Miaud, C., Guyetant, R., and Faber, H. (2000). Age, size, and growth of the Alpine newt, Triturus alpestris (Urodela: Salamandridae), at high altitude and a review of life-history trait variation throughout its range. Herpetologica, 56(2):135--144.