Alza, L., and G. Yataco. “Antarctic Marine Birds and Mammals Related Krill Euphausia Superba in Bransfield Strait and Elephant Island”. Boletin Instituto Del Mar Del Perú, vol. 31, no. 1, June 2016, pp. 128-3, https://revistas.imarpe.gob.pe/index.php/boletin/article/view/80.