Byrkjedal, Ingvar, and Gunnar Langhelle. “Walleye Pollock Gadus Chalcogrammus Pallas, 1814 Found North of Spitsbergen Indicates a Pacific-Atlantic Connection in the Species”. Fauna norvegica 400 (October 16, 2020): 137-140. Accessed April 19, 2024. https://www.ntnu.no/ojs/index.php/fauna_norvegica/article/view/3394.