• [Wiki] http://en.wikipedia.org/wiki/Hierophis_viridiflavus.
• [EoL] http://eol.org/pages/1055211/overview.
• [FornBonn2016] Fornasiero, S., Bonnet, X., Dendi, F., and Zuffi, M. A. (2016). Growth, longevity and age at maturity in the European whip snakes, Hierophis viridiflavus and H. carbonarius. Acta Herpetologica, 11(2):135--149. doi:10.13128/Acta_Herpetol-18695.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.