Mogren, Hanne-Grethe, Ulf Lindstrøm, Kjell Tormod Nilssen, and Tore Haug. “Haulout behaviour of harbour seals (<i>Phoca vitulina</i>) during breeding and moult in Vesterålen, Norway”. NAMMCO Scientific Publications 8 (September 1, 2010): 303–312. Accessed March 29, 2024. https://septentrio.uit.no/index.php/NAMMCOSP/article/view/2695.