Leonard, Deanna, and Nils Øien. “Estimated Abundances of Cetacean Species in the Northeast Atlantic from Two Multiyear Surveys Conducted by Norwegian Vessels between 2002–2013”. NAMMCO Scientific Publications 11 (July 15, 2020). Accessed November 24, 2024. https://septentrio.uit.no/index.php/NAMMCOSP/article/view/4695.