Aars Jon, Marques Tiago A., Lone Karen, Andersen Magnus, Wiig Øystein, Bardalen Fløystad Ida Marie, Hagen Snorre B., and Buckland Stephen T. 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.