Andersen, Liselotte, and Morten Tange Olsen. “Distribution and population structure of North Atlantic harbour seals (<i>Phoca vitulina</i>)”. NAMMCO Scientific Publications 8 (September 1, 2010): 15–35. Accessed April 25, 2024. https://septentrio.uit.no/index.php/NAMMCOSP/article/view/2669.