Hauksson, Erlingur, and Sólmundur T Einarsson. “Historical trend in harbour seal (<i>Phoca vitulina</i>) abundance in Iceland back to the year 1912”. NAMMCO Scientific Publications 8 (September 1, 2010): 147–159. Accessed April 19, 2024. https://septentrio.uit.no/index.php/NAMMCOSP/article/view/2682.