Oliveira, L. R., E. Hingst-Zaher, and J. S. Morgante. “Size and Shape Sexual Dimorphism in the Skull of the South American Fur Seal, <i>Arctocephalus australis</I> (Zimmermann, 1783) (Carnivora: Otariidae)”. Latin American Journal of Aquatic Mammals, vol. 4, no. 1, June 2005, pp. 27-40, doi:10.5597/lajam00067.