Setsaas, T., and M. Bester. “Goose Barnacle (<i>Lepas australis</i>) Infestation of the Subantarctic Fur Seal (<i>Arctocephalus tropicalis</I>)”. African Zoology, vol. 41, no. 2, Mar. 2017, pp. 305-7, doi:10.1080/15627020.2006.11407368.