• [Wiki] https://en.wikipedia.org/wiki/Salvelinus_willughbii.
• [fishbase] https://www.fishbase.se/summary/Salvelinus-willoughbii.html.
• [FrosKipl1980] Frost, W. E. and Kipling, C. (1980). The growth of charr, Salvelinus willughbii Gunther, in Windermere. J. Fish Biol., 16:279--289.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.