• [Wiki] http://en.wikipedia.org/wiki/Trichechus_manatus.
  • [AnAge] http://genomics.senescence.info/species/entry.php?species=Trichechus_manatus.
  • [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
  • [MarmOSch1996] Marmontel, M., O'Schea, T. J., Kochman, H. I., and Humphrey, S. R. (1996). Age determination in manatees using growth-layer-group counts in bone. Mar. Mamm. Sci., 12:54--88.