Fjälling, Arne, Jenny Keiner, and Magdalena Beszczyńska. “Evidence That Grey Seals (<i>Halichoerus grypus</I>) Use above-Water Vision to Locate Baited Buoys”. NAMMCO Scientific Publications 6 (January 1, 2007): 215–227. Accessed December 3, 2022. https://septentrio.uit.no/index.php/NAMMCOSP/article/view/2736.