• [Wiki] http://en.wikipedia.org/wiki/Polysteganus_undulosus.
• [fishbase] http://www.fishbase.se/summary/Polysteganus-undulosus.html.
• [ChalGove2001] Chale-Matsau, J., Govender, A., and Beckley, L. (2001). Age, growth and retrospective stock assessment of an economically extinct sparid fish, Polysteganus undulosus, from South Africa. Fish. Res., 51(1):87--92.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.