Haug , Tore, Kjell Tormod Nilssen, Nils Øien, and Vladimir Potelov. “Seasonal Distribution of Harp Seals (Phoca Groenlandica) in the Barents Sea”. Polar Research 13, no. 2 (January 12, 1994): 163-172. Accessed March 29, 2026. https://polarresearch.net/index.php/polar/article/view/1975.