• [Wiki] http://en.wikipedia.org/wiki/Sus_scrofa.
• [AnAge] http://genomics.senescence.info/species/entry.php?species=Sus_scrofa.
• [ADW] http://animaldiversity.org/accounts/Sus_scrofa/.
• [DzieClar1990] Dzieciolowski, R. M., Clarke, C. M. H., and Fredric, B. J. (1990). Growth of feral pigs in New Zealand. Acta Theriologica, 35:77--88.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.