• [Wiki] http://en.wikipedia.org/wiki/Perca_fluviatilis.
• [fishbase] http://www.fishbase.org/summary/Perca-fluviatilis.html.
• [Jell1980] Jellyman, D. J. (1980). Age, growth, and reproduction of perch, Perca fluviatilis L., in Lake Pounui. New Zealand Journal of Marine and Freshwater Research, 14(4):391--400.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [PersRoos2004] Persson, L., Claessen, D., Roos, A. M. d., Byström, P., Sjögren, S., Svanbäck, R., Wahlstrm, E., and Westman, E. (2004). Cannibalism in a size-structured population: energy extraction and control. Ecological monographs, 74:135--157.