Osteological correlates and phylogenetic analysis of deep diving in living and extinct pinnipeds: What good are big eyes?DOI: info:10.1111/j.1748-7692.2011.00545.xv. 29No. 148–83
Debey, Lauren B. and Pyenson, Nicholas D. 2013. "Osteological correlates and phylogenetic analysis of deep diving in living and extinct pinnipeds: What good are big eyes?" Marine Mammal Science, 29, (1) 48–83. https://doi.org/10.1111/j.1748-7692.2011.00545.x.