Bakken Vidar. “The Distribution and Diel Movements of Brünnich’s Guillemot Uria Lomvia in Ice Covered Waters in the Barents Sea, February/March 1987”. Polar Research 8, no. 1 (January 6, 1990): 55-59. Accessed April 25, 2024. https://polarresearch.net/index.php/polar/article/view/2375.