• [Wiki] http://en.wikipedia.org/wiki/Vipera_latastei.
• [BritRebe2003] Brito, J. C. and Rebelo, R. (2003). Differential growth and mortality affect sexual size dimorphism in Vipera latastei. Copeia, 2003:865--871.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.