Aars , Jon, Tiago A. Marques, Karen Lone, Magnus Andersen, Øystein Wiig, Ida Marie Bardalen Fløystad, Snorre B. Hagen, and Stephen T. Buckland. 2018. “The Number and Distribution of Polar Bears in the Western Barents Sea”. Polar Research 37 (May). https://polarresearch.net/index.php/polar/article/view/2685.